chore: 🙈 update git ignore

feat(dbmanager): ✨ Database connection Manager
feat(packages): ✨ Prometheus publish events
2026-01-03 10:24:26 +00:00 · 2026-01-02 16:20:56 +02:00 · 2026-01-02 16:19:33 +02:00 · 2026-01-02 13:48:31 +02:00
28 changed files with 4725 additions and 46 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -25,4 +25,4 @@ go.work.sum
 .env
 bin/
 test.db
-testserver
+/testserver
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -54,6 +54,7 @@
 		}
 	},
 	"conventionalCommits.scopes": [
-		"spectypes"
+		"spectypes",
+		"dbmanager"
 	]
-}
+}
--- a/86
+++ b/86
@@ -1,21 +1,73 @@
-MIT License
+Apache License
+Version 2.0, January 2004
+http://www.apache.org/licenses/

-Copyright (c) 2025 
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+1. Definitions.

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-copies or substantial portions of the Software.
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-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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+"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
+
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+
+"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
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+
+2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
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+
+4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
+
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+     (b) You must cause any modified files to carry prominent notices stating that You changed the files; and
+
+     (c) You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
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+
+5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
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+9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
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+END OF TERMS AND CONDITIONS
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+APPENDIX: How to apply the Apache License to your work.
+
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+
+Copyright 2025 wdevs
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
--- a/cmd/testserver/main.go
+++ b/cmd/testserver/main.go
@@ -1,12 +1,14 @@
 package main

 import (
+	"context"
 	"fmt"
 	"log"
 	"os"
 	"time"

 	"github.com/bitechdev/ResolveSpec/pkg/config"
+	"github.com/bitechdev/ResolveSpec/pkg/dbmanager"
 	"github.com/bitechdev/ResolveSpec/pkg/logger"
 	"github.com/bitechdev/ResolveSpec/pkg/modelregistry"
 	"github.com/bitechdev/ResolveSpec/pkg/server"
@@ -15,7 +17,6 @@ import (
 	"github.com/bitechdev/ResolveSpec/pkg/resolvespec"
 	"github.com/gorilla/mux"

-	"github.com/glebarez/sqlite"
 	"gorm.io/gorm"
 	gormlog "gorm.io/gorm/logger"
 )
@@ -40,12 +41,14 @@ func main() {
 	logger.Info("ResolveSpec test server starting")
 	logger.Info("Configuration loaded - Server will listen on: %s", cfg.Server.Addr)

-	// Initialize database
-	db, err := initDB(cfg)
+	// Initialize database manager
+	ctx := context.Background()
+	dbMgr, db, err := initDB(ctx, cfg)
 	if err != nil {
 		logger.Error("Failed to initialize database: %+v", err)
 		os.Exit(1)
 	}
+	defer dbMgr.Close()

 	// Create router
 	r := mux.NewRouter()
@@ -117,7 +120,7 @@ func main() {
 	}
 }

-func initDB(cfg *config.Config) (*gorm.DB, error) {
+func initDB(ctx context.Context, cfg *config.Config) (dbmanager.Manager, *gorm.DB, error) {
 	// Configure GORM logger based on config
 	logLevel := gormlog.Info
 	if !cfg.Logger.Dev {
@@ -135,25 +138,41 @@ func initDB(cfg *config.Config) (*gorm.DB, error) {
 		},
 	)

-	// Use database URL from config if available, otherwise use default SQLite
-	dbURL := cfg.Database.URL
-	if dbURL == "" {
-		dbURL = "test.db"
+	// Create database manager from config
+	mgr, err := dbmanager.NewManager(dbmanager.FromConfig(cfg.DBManager))
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to create database manager: %w", err)
 	}

-	// Create SQLite database
-	db, err := gorm.Open(sqlite.Open(dbURL), &gorm.Config{Logger: newLogger, FullSaveAssociations: false})
-	if err != nil {
-		return nil, err
+	// Connect all databases
+	if err := mgr.Connect(ctx); err != nil {
+		return nil, nil, fmt.Errorf("failed to connect databases: %w", err)
 	}

+	// Get default connection
+	conn, err := mgr.GetDefault()
+	if err != nil {
+		mgr.Close()
+		return nil, nil, fmt.Errorf("failed to get default connection: %w", err)
+	}
+
+	// Get GORM database
+	gormDB, err := conn.GORM()
+	if err != nil {
+		mgr.Close()
+		return nil, nil, fmt.Errorf("failed to get GORM database: %w", err)
+	}
+
+	// Update GORM logger
+	gormDB.Logger = newLogger
+
 	modelList := testmodels.GetTestModels()

 	// Auto migrate schemas
-	err = db.AutoMigrate(modelList...)
-	if err != nil {
-		return nil, err
+	if err := gormDB.AutoMigrate(modelList...); err != nil {
+		mgr.Close()
+		return nil, nil, fmt.Errorf("failed to auto migrate: %w", err)
 	}

-	return db, nil
+	return mgr, gormDB, nil
 }
--- a/config.yaml
+++ b/config.yaml
@@ -37,5 +37,25 @@ cors:
 tracing:
  enabled: false

-database:
-  url: ""  # Empty means use default SQLite (test.db)
+# Database Manager Configuration
+dbmanager:
+  default_connection: "primary"
+  max_open_conns: 25
+  max_idle_conns: 5
+  conn_max_lifetime: 30m
+  conn_max_idle_time: 5m
+  retry_attempts: 3
+  retry_delay: 1s
+  health_check_interval: 30s
+  enable_auto_reconnect: true
+
+  connections:
+    primary:
+      name: "primary"
+      type: "sqlite"
+      filepath: "test.db"
+      default_orm: "gorm"
+      enable_logging: true
+      enable_metrics: false
+      connect_timeout: 10s
+      query_timeout: 30s
--- a/go.mod
+++ b/go.mod
@@ -15,6 +15,8 @@ require (
 	github.com/gorilla/websocket v1.5.3
 	github.com/jackc/pgx/v5 v5.6.0
 	github.com/klauspost/compress v1.18.0
+	github.com/mattn/go-sqlite3 v1.14.32
+	github.com/microsoft/go-mssqldb v1.9.5
 	github.com/mochi-mqtt/server/v2 v2.7.9
 	github.com/nats-io/nats.go v1.48.0
 	github.com/prometheus/client_golang v1.23.2
@@ -25,9 +27,12 @@ require (
 	github.com/tidwall/gjson v1.18.0
 	github.com/tidwall/sjson v1.2.5
 	github.com/uptrace/bun v1.2.16
+	github.com/uptrace/bun/dialect/mssqldialect v1.2.16
+	github.com/uptrace/bun/dialect/pgdialect v1.2.16
 	github.com/uptrace/bun/dialect/sqlitedialect v1.2.16
 	github.com/uptrace/bun/driver/sqliteshim v1.2.16
 	github.com/uptrace/bunrouter v1.0.23
+	go.mongodb.org/mongo-driver v1.17.6
 	go.opentelemetry.io/otel v1.38.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.38.0
@@ -38,6 +43,7 @@ require (
 	golang.org/x/time v0.14.0
 	gorm.io/driver/postgres v1.6.0
 	gorm.io/driver/sqlite v1.6.0
+	gorm.io/driver/sqlserver v1.6.3
 	gorm.io/gorm v1.30.0
 )

@@ -69,6 +75,9 @@ require (
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
+	github.com/golang-sql/sqlexp v0.1.0 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
@@ -78,7 +87,6 @@ require (
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/magiconair/properties v1.8.10 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-sqlite3 v1.14.32 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
 	github.com/moby/go-archive v0.1.0 // indirect
 	github.com/moby/patternmatcher v0.6.0 // indirect
@@ -86,6 +94,7 @@ require (
 	github.com/moby/sys/user v0.4.0 // indirect
 	github.com/moby/sys/userns v0.1.0 // indirect
 	github.com/moby/term v0.5.0 // indirect
+	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/nats-io/nkeys v0.4.11 // indirect
@@ -105,6 +114,7 @@ require (
 	github.com/rs/xid v1.4.0 // indirect
 	github.com/sagikazarmark/locafero v0.11.0 // indirect
 	github.com/shirou/gopsutil/v4 v4.25.6 // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
 	github.com/spf13/afero v1.15.0 // indirect
@@ -119,6 +129,10 @@ require (
 	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	github.com/vmihailenco/msgpack/v5 v5.4.1 // indirect
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.49.0 // indirect
@@ -128,6 +142,7 @@ require (
 	go.yaml.in/yaml/v2 v2.4.2 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/exp v0.0.0-20251113190631-e25ba8c21ef6 // indirect
+	golang.org/x/mod v0.30.0 // indirect
 	golang.org/x/net v0.45.0 // indirect
 	golang.org/x/sync v0.18.0 // indirect
 	golang.org/x/sys v0.38.0 // indirect
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,32 @@ dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8=
 dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20240806141605-e8a1dd7889d6 h1:He8afgbRMd7mFxO99hRNu+6tazq8nFF9lIwo9JFroBk=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20240806141605-e8a1dd7889d6/go.mod h1:8o94RPi1/7XTJvwPpRSzSUedZrtlirdB3r9Z20bi2f8=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.0/go.mod h1:bjGvMhVMb+EEm3VRNQawDMUyMMjo+S5ewNjflkep/0Q=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.1/go.mod h1:bjGvMhVMb+EEm3VRNQawDMUyMMjo+S5ewNjflkep/0Q=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.11.1/go.mod h1:a6xsAQUZg+VsS3TJ05SRp524Hs4pZ/AeFSr5ENf0Yjo=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0 h1:Gt0j3wceWMwPmiazCa8MzMA0MfhmPIz0Qp0FJ6qcM0U=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0/go.mod h1:Ot/6aikWnKWi4l9QB7qVSwa8iMphQNqkWALMoNT3rzM=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.1/go.mod h1:uE9zaUfEQT/nbQjVi2IblCG9iaLtZsuYZ8ne+PuQ02M=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.6.0/go.mod h1:9kIvujWAA58nmPmWB1m23fyWic1kYZMxD9CxaWn4Qpg=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1 h1:B+blDbyVIG3WaikNxPnhPiJ1MThR03b3vKGtER95TP4=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1/go.mod h1:JdM5psgjfBf5fo2uWOZhflPWyDBZ/O/CNAH9CtsuZE4=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.3.0/go.mod h1:okt5dMMTOFjX/aovMlrjvvXoPMBVSPzk9185BT0+eZM=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.5.2/go.mod h1:yInRyqWXAuaPrgI7p70+lDDgh3mlBohis29jGMISnmc=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.8.0/go.mod h1:4OG6tQ9EOP/MT0NMjDlRzWoVFxfu9rN9B2X+tlSVktg=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1 h1:FPKJS1T+clwv+OLGt13a8UjqeRuh0O4SJ3lUriThc+4=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1/go.mod h1:j2chePtV91HrC22tGoRX3sGY42uF13WzmmV80/OdVAA=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.0.1/go.mod h1:GpPjLhVR9dnUoJMyHWSPy71xY9/lcmpzIPZXmF0FCVY=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.3.1 h1:Wgf5rZba3YZqeTNJPtvqZoBu1sBN/L4sry+u2U3Y75w=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.3.1/go.mod h1:xxCBG/f/4Vbmh2XQJBsOmNdxWUY5j/s27jujKPbQf14=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.0.0/go.mod h1:bTSOgj05NGRuHHhQwAdPnYr9TOdNmKlZTgGLL6nyAdI=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1 h1:bFWuoEKg+gImo7pvkiQEFAc8ocibADgXeiLAxWhWmkI=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1/go.mod h1:Vih/3yc6yac2JzU4hzpaDupBJP0Flaia9rXXrU8xyww=
 github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
 github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.1.1/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.2.2/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
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@@ -32,6 +56,7 @@ github.com/containerd/platforms v0.2.1 h1:zvwtM3rz2YHPQsF2CHYM8+KtB5dvhISiXh5ZpS
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@@ -41,6 +66,8 @@ github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/r
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@@ -76,21 +103,37 @@ github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
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@@ -101,6 +144,12 @@ github.com/jackc/pgx/v5 v5.6.0 h1:SWJzexBzPL5jb0GEsrPMLIsi/3jOo7RHlzTjcAeDrPY=
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@@ -110,8 +159,11 @@ github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/
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@@ -124,6 +176,9 @@ github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWE
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@@ -142,6 +197,10 @@ github.com/moby/term v0.5.0 h1:xt8Q1nalod/v7BqbG21f8mQPqH+xAaC9C3N3wfWbVP0=
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@@ -162,6 +221,10 @@ github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0
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@@ -182,6 +245,8 @@ github.com/redis/go-redis/v9 v9.17.1 h1:7tl732FjYPRT9H9aNfyTwKg9iTETjWjGKEJ2t/5i
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@@ -190,6 +255,8 @@ github.com/sagikazarmark/locafero v0.11.0 h1:1iurJgmM9G3PA/I+wWYIOw/5SyBtxapeHDc
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@@ -203,10 +270,18 @@ github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3A
 github.com/spf13/viper v1.21.0 h1:x5S+0EU27Lbphp4UKm1C+1oQO+rKx36vfCoaVebLFSU=
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@@ -228,6 +303,10 @@ github.com/tklauser/numcpus v0.6.1 h1:ng9scYS7az0Bk4OZLvrNXNSAO2Pxr1XXRAPyjhIx+F
 github.com/tklauser/numcpus v0.6.1/go.mod h1:1XfjsgE2zo8GVw7POkMbHENHzVg3GzmoZ9fESEdAacY=
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 github.com/uptrace/bun/driver/sqliteshim v1.2.16 h1:M6Dh5kkDWFbUWBrOsIE1g1zdZ5JbSytTD4piFRBOUAI=
@@ -240,8 +319,19 @@ github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAh
 github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
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@@ -274,33 +364,127 @@ go.yaml.in/yaml/v2 v2.4.2 h1:DzmwEr2rDGHl7lsFgAHxmNz/1NlQ7xLIrlN2h5d1eGI=
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+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
+golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
+golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
+golang.org/x/term v0.10.0/go.mod h1:lpqdcUyK/oCiQxvxVrppt5ggO2KCZ5QblwqPnfZ6d5o=
+golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
+golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
+golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
+golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
+golang.org/x/term v0.18.0/go.mod h1:ILwASektA3OnRv7amZ1xhE/KTR+u50pbXfZ03+6Nx58=
+golang.org/x/term v0.19.0/go.mod h1:2CuTdWZ7KHSQwUzKva0cbMg6q2DMI3Mmxp+gKJbskEk=
+golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
+golang.org/x/term v0.21.0/go.mod h1:ooXLefLobQVslOqselCNF4SxFAaoS6KujMbsGzSDmX0=
 golang.org/x/term v0.36.0 h1:zMPR+aF8gfksFprF/Nc/rd1wRS1EI6nDBGyWAvDzx2Q=
 golang.org/x/term v0.36.0/go.mod h1:Qu394IJq6V6dCBRgwqshf3mPF85AqzYEzofzRdZkWss=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
+golang.org/x/text v0.20.0/go.mod h1:D4IsuqiFMhST5bX19pQ9ikHC2GsaKyk/oF+pn3ducp4=
 golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
 golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
 golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
 golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
+golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
 golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ=
 golang.org/x/tools v0.39.0/go.mod h1:JnefbkDPyD8UU2kI5fuf8ZX4/yUeh9W877ZeBONxUqQ=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
 gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
@@ -315,6 +499,10 @@ google.golang.org/protobuf v1.36.8/go.mod h1:fuxRtAxBytpl4zzqUh6/eyUujkJdNiuEkXn
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
@@ -322,6 +510,8 @@ gorm.io/driver/postgres v1.6.0 h1:2dxzU8xJ+ivvqTRph34QX+WrRaJlmfyPqXmoGVjMBa4=
 gorm.io/driver/postgres v1.6.0/go.mod h1:vUw0mrGgrTK+uPHEhAdV4sfFELrByKVGnaVRkXDhtWo=
 gorm.io/driver/sqlite v1.6.0 h1:WHRRrIiulaPiPFmDcod6prc4l2VGVWHz80KspNsxSfQ=
 gorm.io/driver/sqlite v1.6.0/go.mod h1:AO9V1qIQddBESngQUKWL9yoH93HIeA1X6V633rBwyT8=
+gorm.io/driver/sqlserver v1.6.3 h1:UR+nWCuphPnq7UxnL57PSrlYjuvs+sf1N59GgFX7uAI=
+gorm.io/driver/sqlserver v1.6.3/go.mod h1:VZeNn7hqX1aXoN5TPAFGWvxWG90xtA8erGn2gQmpc6U=
 gorm.io/gorm v1.30.0 h1:qbT5aPv1UH8gI99OsRlvDToLxW5zR7FzS9acZDOZcgs=
 gorm.io/gorm v1.30.0/go.mod h1:8Z33v652h4//uMA76KjeDH8mJXPm1QNCYrMeatR0DOE=
 gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q=
--- a/pkg/common/adapters/database/utils.go
+++ b/pkg/common/adapters/database/utils.go
@@ -1,7 +1,16 @@
 package database

 import (
+	"database/sql"
 	"strings"
+
+	"github.com/uptrace/bun/dialect/mssqldialect"
+	"github.com/uptrace/bun/dialect/pgdialect"
+	"github.com/uptrace/bun/dialect/sqlitedialect"
+	"gorm.io/driver/postgres"
+	"gorm.io/driver/sqlite"
+	"gorm.io/driver/sqlserver"
+	"gorm.io/gorm"
 )

 // parseTableName splits a table name that may contain schema into separate schema and table
@@ -14,3 +23,39 @@ func parseTableName(fullTableName string) (schema, table string) {
 	}
 	return "", fullTableName
 }
+
+// GetPostgresDialect returns a Bun PostgreSQL dialect
+func GetPostgresDialect() *pgdialect.Dialect {
+	return pgdialect.New()
+}
+
+// GetSQLiteDialect returns a Bun SQLite dialect
+func GetSQLiteDialect() *sqlitedialect.Dialect {
+	return sqlitedialect.New()
+}
+
+// GetMSSQLDialect returns a Bun MSSQL dialect
+func GetMSSQLDialect() *mssqldialect.Dialect {
+	return mssqldialect.New()
+}
+
+// GetPostgresDialector returns a GORM PostgreSQL dialector
+func GetPostgresDialector(db *sql.DB) gorm.Dialector {
+	return postgres.New(postgres.Config{
+		Conn: db,
+	})
+}
+
+// GetSQLiteDialector returns a GORM SQLite dialector
+func GetSQLiteDialector(db *sql.DB) gorm.Dialector {
+	return sqlite.Dialector{
+		Conn: db,
+	}
+}
+
+// GetMSSQLDialector returns a GORM MSSQL dialector
+func GetMSSQLDialector(db *sql.DB) gorm.Dialector {
+	return sqlserver.New(sqlserver.Config{
+		Conn: db,
+	})
+}
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -11,8 +11,8 @@ type Config struct {
 	ErrorTracking ErrorTrackingConfig `mapstructure:"error_tracking"`
 	Middleware    MiddlewareConfig    `mapstructure:"middleware"`
 	CORS          CORSConfig          `mapstructure:"cors"`
-	Database      DatabaseConfig      `mapstructure:"database"`
 	EventBroker   EventBrokerConfig   `mapstructure:"event_broker"`
+	DBManager     DBManagerConfig     `mapstructure:"dbmanager"`
 }

 // ServerConfig holds server-related configuration
@@ -76,11 +76,6 @@ type CORSConfig struct {
 	MaxAge         int      `mapstructure:"max_age"`
 }

-// DatabaseConfig holds database configuration (primarily for testing)
-type DatabaseConfig struct {
-	URL string `mapstructure:"url"`
-}
-
 // ErrorTrackingConfig holds error tracking configuration
 type ErrorTrackingConfig struct {
 	Enabled          bool    `mapstructure:"enabled"`
--- a/pkg/config/dbmanager.go
+++ b/pkg/config/dbmanager.go
@@ -0,0 +1,107 @@
+package config
+
+import (
+	"fmt"
+	"time"
+)
+
+// DBManagerConfig contains configuration for the database connection manager
+type DBManagerConfig struct {
+	// DefaultConnection is the name of the default connection to use
+	DefaultConnection string `mapstructure:"default_connection"`
+
+	// Connections is a map of connection name to connection configuration
+	Connections map[string]DBConnectionConfig `mapstructure:"connections"`
+
+	// Global connection pool defaults
+	MaxOpenConns    int           `mapstructure:"max_open_conns"`
+	MaxIdleConns    int           `mapstructure:"max_idle_conns"`
+	ConnMaxLifetime time.Duration `mapstructure:"conn_max_lifetime"`
+	ConnMaxIdleTime time.Duration `mapstructure:"conn_max_idle_time"`
+
+	// Retry policy
+	RetryAttempts int           `mapstructure:"retry_attempts"`
+	RetryDelay    time.Duration `mapstructure:"retry_delay"`
+	RetryMaxDelay time.Duration `mapstructure:"retry_max_delay"`
+
+	// Health checks
+	HealthCheckInterval time.Duration `mapstructure:"health_check_interval"`
+	EnableAutoReconnect bool          `mapstructure:"enable_auto_reconnect"`
+}
+
+// DBConnectionConfig defines configuration for a single database connection
+type DBConnectionConfig struct {
+	// Name is the unique name of this connection
+	Name string `mapstructure:"name"`
+
+	// Type is the database type (postgres, sqlite, mssql, mongodb)
+	Type string `mapstructure:"type"`
+
+	// DSN is the complete Data Source Name / connection string
+	// If provided, this takes precedence over individual connection parameters
+	DSN string `mapstructure:"dsn"`
+
+	// Connection parameters (used if DSN is not provided)
+	Host     string `mapstructure:"host"`
+	Port     int    `mapstructure:"port"`
+	User     string `mapstructure:"user"`
+	Password string `mapstructure:"password"`
+	Database string `mapstructure:"database"`
+
+	// PostgreSQL/MSSQL specific
+	SSLMode string `mapstructure:"sslmode"` // disable, require, verify-ca, verify-full
+	Schema  string `mapstructure:"schema"`  // Default schema
+
+	// SQLite specific
+	FilePath string `mapstructure:"filepath"`
+
+	// MongoDB specific
+	AuthSource     string `mapstructure:"auth_source"`
+	ReplicaSet     string `mapstructure:"replica_set"`
+	ReadPreference string `mapstructure:"read_preference"` // primary, secondary, etc.
+
+	// Connection pool settings (overrides global defaults)
+	MaxOpenConns    *int           `mapstructure:"max_open_conns"`
+	MaxIdleConns    *int           `mapstructure:"max_idle_conns"`
+	ConnMaxLifetime *time.Duration `mapstructure:"conn_max_lifetime"`
+	ConnMaxIdleTime *time.Duration `mapstructure:"conn_max_idle_time"`
+
+	// Timeouts
+	ConnectTimeout time.Duration `mapstructure:"connect_timeout"`
+	QueryTimeout   time.Duration `mapstructure:"query_timeout"`
+
+	// Features
+	EnableTracing bool `mapstructure:"enable_tracing"`
+	EnableMetrics bool `mapstructure:"enable_metrics"`
+	EnableLogging bool `mapstructure:"enable_logging"`
+
+	// DefaultORM specifies which ORM to use for the Database() method
+	// Options: "bun", "gorm", "native"
+	DefaultORM string `mapstructure:"default_orm"`
+
+	// Tags for organization and filtering
+	Tags map[string]string `mapstructure:"tags"`
+}
+
+// ToManagerConfig converts config.DBManagerConfig to dbmanager.ManagerConfig
+// This is used to avoid circular dependencies
+func (c *DBManagerConfig) ToManagerConfig() interface{} {
+	// This will be implemented in the dbmanager package
+	// to convert from config types to dbmanager types
+	return c
+}
+
+// Validate validates the DBManager configuration
+func (c *DBManagerConfig) Validate() error {
+	if len(c.Connections) == 0 {
+		return fmt.Errorf("at least one connection must be configured")
+	}
+
+	if c.DefaultConnection != "" {
+		if _, ok := c.Connections[c.DefaultConnection]; !ok {
+			return fmt.Errorf("default connection '%s' not found in connections", c.DefaultConnection)
+		}
+	}
+
+	return nil
+}
--- a/pkg/dbmanager/README.md
+++ b/pkg/dbmanager/README.md
@@ -0,0 +1,531 @@
+# Database Connection Manager (dbmanager)
+
+A comprehensive database connection manager for Go that provides centralized management of multiple named database connections with support for PostgreSQL, SQLite, MSSQL, and MongoDB.
+
+## Features
+
+- **Multiple Named Connections**: Manage multiple database connections with names like `primary`, `analytics`, `cache-db`
+- **Multi-Database Support**: PostgreSQL, SQLite, Microsoft SQL Server, and MongoDB
+- **Multi-ORM Access**: Each SQL connection provides access through:
+  - **Bun ORM** - Modern, lightweight ORM
+  - **GORM** - Popular Go ORM
+  - **Native** - Standard library `*sql.DB`
+  - All three share the same underlying connection pool
+- **Configuration-Driven**: YAML configuration with Viper integration
+- **Production-Ready Features**:
+  - Automatic health checks and reconnection
+  - Prometheus metrics
+  - Connection pooling with configurable limits
+  - Retry logic with exponential backoff
+  - Graceful shutdown
+  - OpenTelemetry tracing support
+
+## Installation
+
+```bash
+go get github.com/bitechdev/ResolveSpec/pkg/dbmanager
+```
+
+## Quick Start
+
+### 1. Configuration
+
+Create a configuration file (e.g., `config.yaml`):
+
+```yaml
+dbmanager:
+  default_connection: "primary"
+
+  # Global connection pool defaults
+  max_open_conns: 25
+  max_idle_conns: 5
+  conn_max_lifetime: 30m
+  conn_max_idle_time: 5m
+
+  # Retry configuration
+  retry_attempts: 3
+  retry_delay: 1s
+  retry_max_delay: 10s
+
+  # Health checks
+  health_check_interval: 30s
+  enable_auto_reconnect: true
+
+  connections:
+    # Primary PostgreSQL connection
+    primary:
+      type: postgres
+      host: localhost
+      port: 5432
+      user: myuser
+      password: mypassword
+      database: myapp
+      sslmode: disable
+      default_orm: bun
+      enable_metrics: true
+      enable_tracing: true
+      enable_logging: true
+
+    # Read replica for analytics
+    analytics:
+      type: postgres
+      dsn: "postgres://readonly:pass@analytics:5432/analytics"
+      default_orm: bun
+      enable_metrics: true
+
+    # SQLite cache
+    cache-db:
+      type: sqlite
+      filepath: /var/lib/app/cache.db
+      max_open_conns: 1
+
+    # MongoDB for documents
+    documents:
+      type: mongodb
+      host: localhost
+      port: 27017
+      database: documents
+      user: mongouser
+      password: mongopass
+      auth_source: admin
+      enable_metrics: true
+```
+
+### 2. Initialize Manager
+
+```go
+package main
+
+import (
+    "context"
+    "log"
+
+    "github.com/bitechdev/ResolveSpec/pkg/config"
+    "github.com/bitechdev/ResolveSpec/pkg/dbmanager"
+)
+
+func main() {
+    // Load configuration
+    cfgMgr := config.NewManager()
+    if err := cfgMgr.Load(); err != nil {
+        log.Fatal(err)
+    }
+    cfg, _ := cfgMgr.GetConfig()
+
+    // Create database manager
+    mgr, err := dbmanager.NewManager(cfg.DBManager)
+    if err != nil {
+        log.Fatal(err)
+    }
+    defer mgr.Close()
+
+    // Connect all databases
+    ctx := context.Background()
+    if err := mgr.Connect(ctx); err != nil {
+        log.Fatal(err)
+    }
+
+    // Your application code here...
+}
+```
+
+### 3. Use Database Connections
+
+#### Get Default Database
+
+```go
+// Get the default database (as configured common.Database interface)
+db, err := mgr.GetDefaultDatabase()
+if err != nil {
+    log.Fatal(err)
+}
+
+// Use it with any query
+var users []User
+err = db.NewSelect().
+    Model(&users).
+    Where("active = ?", true).
+    Scan(ctx, &users)
+```
+
+#### Get Named Connection with Specific ORM
+
+```go
+// Get primary connection
+primary, err := mgr.Get("primary")
+if err != nil {
+    log.Fatal(err)
+}
+
+// Use with Bun
+bunDB, err := primary.Bun()
+if err != nil {
+    log.Fatal(err)
+}
+err = bunDB.NewSelect().Model(&users).Scan(ctx)
+
+// Use with GORM (same underlying connection!)
+gormDB, err := primary.GORM()
+if err != nil {
+    log.Fatal(err)
+}
+gormDB.Where("active = ?", true).Find(&users)
+
+// Use native *sql.DB
+nativeDB, err := primary.Native()
+if err != nil {
+    log.Fatal(err)
+}
+rows, err := nativeDB.QueryContext(ctx, "SELECT * FROM users WHERE active = $1", true)
+```
+
+#### Use MongoDB
+
+```go
+// Get MongoDB connection
+docs, err := mgr.Get("documents")
+if err != nil {
+    log.Fatal(err)
+}
+
+mongoClient, err := docs.MongoDB()
+if err != nil {
+    log.Fatal(err)
+}
+
+collection := mongoClient.Database("documents").Collection("articles")
+// Use MongoDB driver...
+```
+
+#### Change Default Database
+
+```go
+// Switch to analytics database as default
+err := mgr.SetDefaultDatabase("analytics")
+if err != nil {
+    log.Fatal(err)
+}
+
+// Now GetDefaultDatabase() returns the analytics connection
+db, _ := mgr.GetDefaultDatabase()
+```
+
+## Configuration Reference
+
+### Manager Configuration
+
+| Field | Type | Default | Description |
+|-------|------|---------|-------------|
+| `default_connection` | string | "" | Name of the default connection |
+| `connections` | map | {} | Map of connection name to ConnectionConfig |
+| `max_open_conns` | int | 25 | Global default for max open connections |
+| `max_idle_conns` | int | 5 | Global default for max idle connections |
+| `conn_max_lifetime` | duration | 30m | Global default for connection max lifetime |
+| `conn_max_idle_time` | duration | 5m | Global default for connection max idle time |
+| `retry_attempts` | int | 3 | Number of connection retry attempts |
+| `retry_delay` | duration | 1s | Initial retry delay |
+| `retry_max_delay` | duration | 10s | Maximum retry delay |
+| `health_check_interval` | duration | 30s | Interval between health checks |
+| `enable_auto_reconnect` | bool | true | Auto-reconnect on health check failure |
+
+### Connection Configuration
+
+| Field | Type | Description |
+|-------|------|-------------|
+| `name` | string | Unique connection name |
+| `type` | string | Database type: `postgres`, `sqlite`, `mssql`, `mongodb` |
+| `dsn` | string | Complete connection string (overrides individual params) |
+| `host` | string | Database host |
+| `port` | int | Database port |
+| `user` | string | Username |
+| `password` | string | Password |
+| `database` | string | Database name |
+| `sslmode` | string | SSL mode (postgres/mssql): `disable`, `require`, etc. |
+| `schema` | string | Default schema (postgres/mssql) |
+| `filepath` | string | File path (sqlite only) |
+| `auth_source` | string | Auth source (mongodb) |
+| `replica_set` | string | Replica set name (mongodb) |
+| `read_preference` | string | Read preference (mongodb): `primary`, `secondary`, etc. |
+| `max_open_conns` | int | Override global max open connections |
+| `max_idle_conns` | int | Override global max idle connections |
+| `conn_max_lifetime` | duration | Override global connection max lifetime |
+| `conn_max_idle_time` | duration | Override global connection max idle time |
+| `connect_timeout` | duration | Connection timeout (default: 10s) |
+| `query_timeout` | duration | Query timeout (default: 30s) |
+| `enable_tracing` | bool | Enable OpenTelemetry tracing |
+| `enable_metrics` | bool | Enable Prometheus metrics |
+| `enable_logging` | bool | Enable connection logging |
+| `default_orm` | string | Default ORM for Database(): `bun`, `gorm`, `native` |
+| `tags` | map[string]string | Custom tags for filtering/organization |
+
+## Advanced Usage
+
+### Health Checks
+
+```go
+// Manual health check
+if err := mgr.HealthCheck(ctx); err != nil {
+    log.Printf("Health check failed: %v", err)
+}
+
+// Per-connection health check
+primary, _ := mgr.Get("primary")
+if err := primary.HealthCheck(ctx); err != nil {
+    log.Printf("Primary connection unhealthy: %v", err)
+
+    // Manual reconnect
+    if err := primary.Reconnect(ctx); err != nil {
+        log.Printf("Reconnection failed: %v", err)
+    }
+}
+```
+
+### Connection Statistics
+
+```go
+// Get overall statistics
+stats := mgr.Stats()
+fmt.Printf("Total connections: %d\n", stats.TotalConnections)
+fmt.Printf("Healthy: %d, Unhealthy: %d\n", stats.HealthyCount, stats.UnhealthyCount)
+
+// Per-connection stats
+for name, connStats := range stats.ConnectionStats {
+    fmt.Printf("%s: %d open, %d in use, %d idle\n",
+        name,
+        connStats.OpenConnections,
+        connStats.InUse,
+        connStats.Idle)
+}
+
+// Individual connection stats
+primary, _ := mgr.Get("primary")
+stats := primary.Stats()
+fmt.Printf("Wait count: %d, Wait duration: %v\n",
+    stats.WaitCount,
+    stats.WaitDuration)
+```
+
+### Prometheus Metrics
+
+The package automatically exports Prometheus metrics:
+
+- `dbmanager_connections_total` - Total configured connections by type
+- `dbmanager_connection_status` - Connection health status (1=healthy, 0=unhealthy)
+- `dbmanager_connection_pool_size` - Connection pool statistics by state
+- `dbmanager_connection_wait_count` - Times connections waited for availability
+- `dbmanager_connection_wait_duration_seconds` - Total wait duration
+- `dbmanager_health_check_duration_seconds` - Health check execution time
+- `dbmanager_reconnect_attempts_total` - Reconnection attempts and results
+- `dbmanager_connection_lifetime_closed_total` - Connections closed due to max lifetime
+- `dbmanager_connection_idle_closed_total` - Connections closed due to max idle time
+
+Metrics are automatically updated during health checks. To manually publish metrics:
+
+```go
+if mgr, ok := mgr.(*connectionManager); ok {
+    mgr.PublishMetrics()
+}
+```
+
+## Architecture
+
+### Single Connection Pool, Multiple ORMs
+
+A key design principle is that Bun, GORM, and Native all wrap the **same underlying `*sql.DB`** connection pool:
+
+```
+┌─────────────────────────────────────┐
+│        SQL Connection               │
+├─────────────────────────────────────┤
+│  ┌─────────┐  ┌──────┐  ┌────────┐ │
+│  │   Bun   │  │ GORM │  │ Native │ │
+│  └────┬────┘  └───┬──┘  └───┬────┘ │
+│       │           │         │      │
+│       └───────────┴─────────┘      │
+│              *sql.DB                │
+│         (single pool)               │
+└─────────────────────────────────────┘
+```
+
+**Benefits:**
+- No connection duplication
+- Consistent pool limits across all ORMs
+- Unified connection statistics
+- Lower resource usage
+
+### Provider Pattern
+
+Each database type has a dedicated provider:
+
+- **PostgresProvider** - Uses `pgx` driver
+- **SQLiteProvider** - Uses `glebarez/sqlite` (pure Go)
+- **MSSQLProvider** - Uses `go-mssqldb`
+- **MongoProvider** - Uses official `mongo-driver`
+
+Providers handle:
+- Connection establishment with retry logic
+- Health checking
+- Connection statistics
+- Connection cleanup
+
+## Best Practices
+
+1. **Use Named Connections**: Be explicit about which database you're accessing
+   ```go
+   primary, _ := mgr.Get("primary")    // Good
+   db, _ := mgr.GetDefaultDatabase()   // Risky if default changes
+   ```
+
+2. **Configure Connection Pools**: Tune based on your workload
+   ```yaml
+   connections:
+     primary:
+       max_open_conns: 100  # High traffic API
+       max_idle_conns: 25
+     analytics:
+       max_open_conns: 10   # Background analytics
+       max_idle_conns: 2
+   ```
+
+3. **Enable Health Checks**: Catch connection issues early
+   ```yaml
+   health_check_interval: 30s
+   enable_auto_reconnect: true
+   ```
+
+4. **Use Appropriate ORM**: Choose based on your needs
+   - **Bun**: Modern, fast, type-safe - recommended for new code
+   - **GORM**: Mature, feature-rich - good for existing GORM code
+   - **Native**: Maximum control - use for performance-critical queries
+
+5. **Monitor Metrics**: Watch connection pool utilization
+   - If `wait_count` is high, increase `max_open_conns`
+   - If `idle` is always high, decrease `max_idle_conns`
+
+## Troubleshooting
+
+### Connection Failures
+
+If connections fail to establish:
+
+1. Check configuration:
+   ```bash
+   # Test connection manually
+   psql -h localhost -U myuser -d myapp
+   ```
+
+2. Enable logging:
+   ```yaml
+   connections:
+     primary:
+       enable_logging: true
+   ```
+
+3. Check retry attempts:
+   ```yaml
+   retry_attempts: 5  # Increase retries
+   retry_max_delay: 30s
+   ```
+
+### Pool Exhaustion
+
+If you see "too many connections" errors:
+
+1. Increase pool size:
+   ```yaml
+   max_open_conns: 50  # Increase from default 25
+   ```
+
+2. Reduce connection lifetime:
+   ```yaml
+   conn_max_lifetime: 15m  # Recycle faster
+   ```
+
+3. Monitor wait stats:
+   ```go
+   stats := primary.Stats()
+   if stats.WaitCount > 1000 {
+       log.Warn("High connection wait count")
+   }
+   ```
+
+### MongoDB vs SQL Confusion
+
+MongoDB connections don't support SQL ORMs:
+
+```go
+docs, _ := mgr.Get("documents")
+
+// ✓ Correct
+mongoClient, _ := docs.MongoDB()
+
+// ✗ Error: ErrNotSQLDatabase
+bunDB, err := docs.Bun()  // Won't work!
+```
+
+SQL connections don't support MongoDB:
+
+```go
+primary, _ := mgr.Get("primary")
+
+// ✓ Correct
+bunDB, _ := primary.Bun()
+
+// ✗ Error: ErrNotMongoDB
+mongoClient, err := primary.MongoDB()  // Won't work!
+```
+
+## Migration Guide
+
+### From Raw `database/sql`
+
+Before:
+```go
+db, err := sql.Open("postgres", dsn)
+defer db.Close()
+
+rows, err := db.Query("SELECT * FROM users")
+```
+
+After:
+```go
+mgr, _ := dbmanager.NewManager(cfg.DBManager)
+mgr.Connect(ctx)
+defer mgr.Close()
+
+primary, _ := mgr.Get("primary")
+nativeDB, _ := primary.Native()
+
+rows, err := nativeDB.Query("SELECT * FROM users")
+```
+
+### From Direct Bun/GORM
+
+Before:
+```go
+sqldb, _ := sql.Open("pgx", dsn)
+bunDB := bun.NewDB(sqldb, pgdialect.New())
+
+var users []User
+bunDB.NewSelect().Model(&users).Scan(ctx)
+```
+
+After:
+```go
+mgr, _ := dbmanager.NewManager(cfg.DBManager)
+mgr.Connect(ctx)
+
+primary, _ := mgr.Get("primary")
+bunDB, _ := primary.Bun()
+
+var users []User
+bunDB.NewSelect().Model(&users).Scan(ctx)
+```
+
+## License
+
+Same as the parent project.
+
+## Contributing
+
+Contributions are welcome! Please submit issues and pull requests to the main repository.
--- a/pkg/dbmanager/config.go
+++ b/pkg/dbmanager/config.go
@@ -0,0 +1,448 @@
+package dbmanager
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/bitechdev/ResolveSpec/pkg/config"
+)
+
+// DatabaseType represents the type of database
+type DatabaseType string
+
+const (
+	// DatabaseTypePostgreSQL represents PostgreSQL database
+	DatabaseTypePostgreSQL DatabaseType = "postgres"
+
+	// DatabaseTypeSQLite represents SQLite database
+	DatabaseTypeSQLite DatabaseType = "sqlite"
+
+	// DatabaseTypeMSSQL represents Microsoft SQL Server database
+	DatabaseTypeMSSQL DatabaseType = "mssql"
+
+	// DatabaseTypeMongoDB represents MongoDB database
+	DatabaseTypeMongoDB DatabaseType = "mongodb"
+)
+
+// ORMType represents the ORM to use for database operations
+type ORMType string
+
+const (
+	// ORMTypeBun represents Bun ORM
+	ORMTypeBun ORMType = "bun"
+
+	// ORMTypeGORM represents GORM
+	ORMTypeGORM ORMType = "gorm"
+
+	// ORMTypeNative represents native database/sql
+	ORMTypeNative ORMType = "native"
+)
+
+// ManagerConfig contains configuration for the database connection manager
+type ManagerConfig struct {
+	// DefaultConnection is the name of the default connection to use
+	DefaultConnection string `mapstructure:"default_connection"`
+
+	// Connections is a map of connection name to connection configuration
+	Connections map[string]ConnectionConfig `mapstructure:"connections"`
+
+	// Global connection pool defaults
+	MaxOpenConns    int           `mapstructure:"max_open_conns"`
+	MaxIdleConns    int           `mapstructure:"max_idle_conns"`
+	ConnMaxLifetime time.Duration `mapstructure:"conn_max_lifetime"`
+	ConnMaxIdleTime time.Duration `mapstructure:"conn_max_idle_time"`
+
+	// Retry policy
+	RetryAttempts int           `mapstructure:"retry_attempts"`
+	RetryDelay    time.Duration `mapstructure:"retry_delay"`
+	RetryMaxDelay time.Duration `mapstructure:"retry_max_delay"`
+
+	// Health checks
+	HealthCheckInterval time.Duration `mapstructure:"health_check_interval"`
+	EnableAutoReconnect bool          `mapstructure:"enable_auto_reconnect"`
+}
+
+// ConnectionConfig defines configuration for a single database connection
+type ConnectionConfig struct {
+	// Name is the unique name of this connection
+	Name string `mapstructure:"name"`
+
+	// Type is the database type (postgres, sqlite, mssql, mongodb)
+	Type DatabaseType `mapstructure:"type"`
+
+	// DSN is the complete Data Source Name / connection string
+	// If provided, this takes precedence over individual connection parameters
+	DSN string `mapstructure:"dsn"`
+
+	// Connection parameters (used if DSN is not provided)
+	Host     string `mapstructure:"host"`
+	Port     int    `mapstructure:"port"`
+	User     string `mapstructure:"user"`
+	Password string `mapstructure:"password"`
+	Database string `mapstructure:"database"`
+
+	// PostgreSQL/MSSQL specific
+	SSLMode string `mapstructure:"sslmode"` // disable, require, verify-ca, verify-full
+	Schema  string `mapstructure:"schema"`  // Default schema
+
+	// SQLite specific
+	FilePath string `mapstructure:"filepath"`
+
+	// MongoDB specific
+	AuthSource     string `mapstructure:"auth_source"`
+	ReplicaSet     string `mapstructure:"replica_set"`
+	ReadPreference string `mapstructure:"read_preference"` // primary, secondary, etc.
+
+	// Connection pool settings (overrides global defaults)
+	MaxOpenConns    *int           `mapstructure:"max_open_conns"`
+	MaxIdleConns    *int           `mapstructure:"max_idle_conns"`
+	ConnMaxLifetime *time.Duration `mapstructure:"conn_max_lifetime"`
+	ConnMaxIdleTime *time.Duration `mapstructure:"conn_max_idle_time"`
+
+	// Timeouts
+	ConnectTimeout time.Duration `mapstructure:"connect_timeout"`
+	QueryTimeout   time.Duration `mapstructure:"query_timeout"`
+
+	// Features
+	EnableTracing bool `mapstructure:"enable_tracing"`
+	EnableMetrics bool `mapstructure:"enable_metrics"`
+	EnableLogging bool `mapstructure:"enable_logging"`
+
+	// DefaultORM specifies which ORM to use for the Database() method
+	// Options: "bun", "gorm", "native"
+	DefaultORM string `mapstructure:"default_orm"`
+
+	// Tags for organization and filtering
+	Tags map[string]string `mapstructure:"tags"`
+}
+
+// DefaultManagerConfig returns a ManagerConfig with sensible defaults
+func DefaultManagerConfig() ManagerConfig {
+	return ManagerConfig{
+		DefaultConnection:   "",
+		Connections:         make(map[string]ConnectionConfig),
+		MaxOpenConns:        25,
+		MaxIdleConns:        5,
+		ConnMaxLifetime:     30 * time.Minute,
+		ConnMaxIdleTime:     5 * time.Minute,
+		RetryAttempts:       3,
+		RetryDelay:          1 * time.Second,
+		RetryMaxDelay:       10 * time.Second,
+		HealthCheckInterval: 30 * time.Second,
+		EnableAutoReconnect: true,
+	}
+}
+
+// ApplyDefaults applies default values to the manager configuration
+func (c *ManagerConfig) ApplyDefaults() {
+	defaults := DefaultManagerConfig()
+
+	if c.MaxOpenConns == 0 {
+		c.MaxOpenConns = defaults.MaxOpenConns
+	}
+	if c.MaxIdleConns == 0 {
+		c.MaxIdleConns = defaults.MaxIdleConns
+	}
+	if c.ConnMaxLifetime == 0 {
+		c.ConnMaxLifetime = defaults.ConnMaxLifetime
+	}
+	if c.ConnMaxIdleTime == 0 {
+		c.ConnMaxIdleTime = defaults.ConnMaxIdleTime
+	}
+	if c.RetryAttempts == 0 {
+		c.RetryAttempts = defaults.RetryAttempts
+	}
+	if c.RetryDelay == 0 {
+		c.RetryDelay = defaults.RetryDelay
+	}
+	if c.RetryMaxDelay == 0 {
+		c.RetryMaxDelay = defaults.RetryMaxDelay
+	}
+	if c.HealthCheckInterval == 0 {
+		c.HealthCheckInterval = defaults.HealthCheckInterval
+	}
+}
+
+// Validate validates the manager configuration
+func (c *ManagerConfig) Validate() error {
+	if len(c.Connections) == 0 {
+		return NewConfigurationError("connections", fmt.Errorf("at least one connection must be configured"))
+	}
+
+	if c.DefaultConnection != "" {
+		if _, ok := c.Connections[c.DefaultConnection]; !ok {
+			return NewConfigurationError("default_connection", fmt.Errorf("default connection '%s' not found in connections", c.DefaultConnection))
+		}
+	}
+
+	// Validate each connection
+	for name := range c.Connections {
+		conn := c.Connections[name]
+		if err := conn.Validate(); err != nil {
+			return fmt.Errorf("connection '%s': %w", name, err)
+		}
+	}
+
+	return nil
+}
+
+// ApplyDefaults applies default values and global settings to the connection configuration
+func (cc *ConnectionConfig) ApplyDefaults(global *ManagerConfig) {
+	// Set name if not already set
+	if cc.Name == "" {
+		cc.Name = "unnamed"
+	}
+
+	// Apply global pool settings if not overridden
+	if cc.MaxOpenConns == nil && global != nil {
+		maxOpen := global.MaxOpenConns
+		cc.MaxOpenConns = &maxOpen
+	}
+	if cc.MaxIdleConns == nil && global != nil {
+		maxIdle := global.MaxIdleConns
+		cc.MaxIdleConns = &maxIdle
+	}
+	if cc.ConnMaxLifetime == nil && global != nil {
+		lifetime := global.ConnMaxLifetime
+		cc.ConnMaxLifetime = &lifetime
+	}
+	if cc.ConnMaxIdleTime == nil && global != nil {
+		idleTime := global.ConnMaxIdleTime
+		cc.ConnMaxIdleTime = &idleTime
+	}
+
+	// Default timeouts
+	if cc.ConnectTimeout == 0 {
+		cc.ConnectTimeout = 10 * time.Second
+	}
+	if cc.QueryTimeout == 0 {
+		cc.QueryTimeout = 30 * time.Second
+	}
+
+	// Default ORM
+	if cc.DefaultORM == "" {
+		cc.DefaultORM = string(ORMTypeBun)
+	}
+
+	// Default PostgreSQL port
+	if cc.Type == DatabaseTypePostgreSQL && cc.Port == 0 && cc.DSN == "" {
+		cc.Port = 5432
+	}
+
+	// Default MSSQL port
+	if cc.Type == DatabaseTypeMSSQL && cc.Port == 0 && cc.DSN == "" {
+		cc.Port = 1433
+	}
+
+	// Default MongoDB port
+	if cc.Type == DatabaseTypeMongoDB && cc.Port == 0 && cc.DSN == "" {
+		cc.Port = 27017
+	}
+
+	// Default MongoDB auth source
+	if cc.Type == DatabaseTypeMongoDB && cc.AuthSource == "" {
+		cc.AuthSource = "admin"
+	}
+}
+
+// Validate validates the connection configuration
+func (cc *ConnectionConfig) Validate() error {
+	// Validate database type
+	switch cc.Type {
+	case DatabaseTypePostgreSQL, DatabaseTypeSQLite, DatabaseTypeMSSQL, DatabaseTypeMongoDB:
+		// Valid types
+	default:
+		return NewConfigurationError("type", fmt.Errorf("unsupported database type: %s", cc.Type))
+	}
+
+	// Validate that either DSN or connection parameters are provided
+	if cc.DSN == "" {
+		switch cc.Type {
+		case DatabaseTypePostgreSQL, DatabaseTypeMSSQL, DatabaseTypeMongoDB:
+			if cc.Host == "" {
+				return NewConfigurationError("host", fmt.Errorf("host is required when DSN is not provided"))
+			}
+			if cc.Database == "" {
+				return NewConfigurationError("database", fmt.Errorf("database is required when DSN is not provided"))
+			}
+		case DatabaseTypeSQLite:
+			if cc.FilePath == "" {
+				return NewConfigurationError("filepath", fmt.Errorf("filepath is required for SQLite when DSN is not provided"))
+			}
+		}
+	}
+
+	// Validate ORM type
+	if cc.DefaultORM != "" {
+		switch ORMType(cc.DefaultORM) {
+		case ORMTypeBun, ORMTypeGORM, ORMTypeNative:
+			// Valid ORM types
+		default:
+			return NewConfigurationError("default_orm", fmt.Errorf("unsupported ORM type: %s", cc.DefaultORM))
+		}
+	}
+
+	return nil
+}
+
+// BuildDSN builds a connection string from individual parameters
+func (cc *ConnectionConfig) BuildDSN() (string, error) {
+	// If DSN is already provided, use it
+	if cc.DSN != "" {
+		return cc.DSN, nil
+	}
+
+	switch cc.Type {
+	case DatabaseTypePostgreSQL:
+		return cc.buildPostgresDSN(), nil
+	case DatabaseTypeSQLite:
+		return cc.buildSQLiteDSN(), nil
+	case DatabaseTypeMSSQL:
+		return cc.buildMSSQLDSN(), nil
+	case DatabaseTypeMongoDB:
+		return cc.buildMongoDSN(), nil
+	default:
+		return "", fmt.Errorf("cannot build DSN for database type: %s", cc.Type)
+	}
+}
+
+func (cc *ConnectionConfig) buildPostgresDSN() string {
+	dsn := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s",
+		cc.Host, cc.Port, cc.User, cc.Password, cc.Database)
+
+	if cc.SSLMode != "" {
+		dsn += fmt.Sprintf(" sslmode=%s", cc.SSLMode)
+	} else {
+		dsn += " sslmode=disable"
+	}
+
+	if cc.Schema != "" {
+		dsn += fmt.Sprintf(" search_path=%s", cc.Schema)
+	}
+
+	return dsn
+}
+
+func (cc *ConnectionConfig) buildSQLiteDSN() string {
+	if cc.FilePath != "" {
+		return cc.FilePath
+	}
+	return ":memory:"
+}
+
+func (cc *ConnectionConfig) buildMSSQLDSN() string {
+	// Format: sqlserver://username:password@host:port?database=dbname
+	dsn := fmt.Sprintf("sqlserver://%s:%s@%s:%d?database=%s",
+		cc.User, cc.Password, cc.Host, cc.Port, cc.Database)
+
+	if cc.Schema != "" {
+		dsn += fmt.Sprintf("&schema=%s", cc.Schema)
+	}
+
+	return dsn
+}
+
+func (cc *ConnectionConfig) buildMongoDSN() string {
+	// Format: mongodb://username:password@host:port/database?authSource=admin
+	var dsn string
+
+	if cc.User != "" && cc.Password != "" {
+		dsn = fmt.Sprintf("mongodb://%s:%s@%s:%d/%s",
+			cc.User, cc.Password, cc.Host, cc.Port, cc.Database)
+	} else {
+		dsn = fmt.Sprintf("mongodb://%s:%d/%s", cc.Host, cc.Port, cc.Database)
+	}
+
+	params := ""
+	if cc.AuthSource != "" {
+		params += fmt.Sprintf("authSource=%s", cc.AuthSource)
+	}
+	if cc.ReplicaSet != "" {
+		if params != "" {
+			params += "&"
+		}
+		params += fmt.Sprintf("replicaSet=%s", cc.ReplicaSet)
+	}
+	if cc.ReadPreference != "" {
+		if params != "" {
+			params += "&"
+		}
+		params += fmt.Sprintf("readPreference=%s", cc.ReadPreference)
+	}
+
+	if params != "" {
+		dsn += "?" + params
+	}
+
+	return dsn
+}
+
+// FromConfig converts config.DBManagerConfig to internal ManagerConfig
+func FromConfig(cfg config.DBManagerConfig) ManagerConfig {
+	mgr := ManagerConfig{
+		DefaultConnection:   cfg.DefaultConnection,
+		Connections:         make(map[string]ConnectionConfig),
+		MaxOpenConns:        cfg.MaxOpenConns,
+		MaxIdleConns:        cfg.MaxIdleConns,
+		ConnMaxLifetime:     cfg.ConnMaxLifetime,
+		ConnMaxIdleTime:     cfg.ConnMaxIdleTime,
+		RetryAttempts:       cfg.RetryAttempts,
+		RetryDelay:          cfg.RetryDelay,
+		RetryMaxDelay:       cfg.RetryMaxDelay,
+		HealthCheckInterval: cfg.HealthCheckInterval,
+		EnableAutoReconnect: cfg.EnableAutoReconnect,
+	}
+
+	// Convert connections
+	for name := range cfg.Connections {
+		connCfg := cfg.Connections[name]
+		mgr.Connections[name] = ConnectionConfig{
+			Name:            connCfg.Name,
+			Type:            DatabaseType(connCfg.Type),
+			DSN:             connCfg.DSN,
+			Host:            connCfg.Host,
+			Port:            connCfg.Port,
+			User:            connCfg.User,
+			Password:        connCfg.Password,
+			Database:        connCfg.Database,
+			SSLMode:         connCfg.SSLMode,
+			Schema:          connCfg.Schema,
+			FilePath:        connCfg.FilePath,
+			AuthSource:      connCfg.AuthSource,
+			ReplicaSet:      connCfg.ReplicaSet,
+			ReadPreference:  connCfg.ReadPreference,
+			MaxOpenConns:    connCfg.MaxOpenConns,
+			MaxIdleConns:    connCfg.MaxIdleConns,
+			ConnMaxLifetime: connCfg.ConnMaxLifetime,
+			ConnMaxIdleTime: connCfg.ConnMaxIdleTime,
+			ConnectTimeout:  connCfg.ConnectTimeout,
+			QueryTimeout:    connCfg.QueryTimeout,
+			EnableTracing:   connCfg.EnableTracing,
+			EnableMetrics:   connCfg.EnableMetrics,
+			EnableLogging:   connCfg.EnableLogging,
+			DefaultORM:      connCfg.DefaultORM,
+			Tags:            connCfg.Tags,
+		}
+	}
+
+	return mgr
+}
+
+// Getter methods to implement providers.ConnectionConfig interface
+func (cc *ConnectionConfig) GetName() string                    { return cc.Name }
+func (cc *ConnectionConfig) GetType() string                    { return string(cc.Type) }
+func (cc *ConnectionConfig) GetHost() string                    { return cc.Host }
+func (cc *ConnectionConfig) GetPort() int                       { return cc.Port }
+func (cc *ConnectionConfig) GetUser() string                    { return cc.User }
+func (cc *ConnectionConfig) GetPassword() string                { return cc.Password }
+func (cc *ConnectionConfig) GetDatabase() string                { return cc.Database }
+func (cc *ConnectionConfig) GetFilePath() string                { return cc.FilePath }
+func (cc *ConnectionConfig) GetConnectTimeout() time.Duration   { return cc.ConnectTimeout }
+func (cc *ConnectionConfig) GetEnableLogging() bool             { return cc.EnableLogging }
+func (cc *ConnectionConfig) GetMaxOpenConns() *int              { return cc.MaxOpenConns }
+func (cc *ConnectionConfig) GetMaxIdleConns() *int              { return cc.MaxIdleConns }
+func (cc *ConnectionConfig) GetConnMaxLifetime() *time.Duration { return cc.ConnMaxLifetime }
+func (cc *ConnectionConfig) GetConnMaxIdleTime() *time.Duration { return cc.ConnMaxIdleTime }
+func (cc *ConnectionConfig) GetQueryTimeout() time.Duration     { return cc.QueryTimeout }
+func (cc *ConnectionConfig) GetEnableMetrics() bool             { return cc.EnableMetrics }
+func (cc *ConnectionConfig) GetReadPreference() string          { return cc.ReadPreference }
--- a/pkg/dbmanager/connection.go
+++ b/pkg/dbmanager/connection.go
@@ -0,0 +1,607 @@
+package dbmanager
+
+import (
+	"context"
+	"database/sql"
+	"sync"
+	"time"
+
+	"github.com/uptrace/bun"
+	"github.com/uptrace/bun/schema"
+	"go.mongodb.org/mongo-driver/mongo"
+	"gorm.io/gorm"
+
+	"github.com/bitechdev/ResolveSpec/pkg/common"
+	"github.com/bitechdev/ResolveSpec/pkg/common/adapters/database"
+)
+
+// Connection represents a single named database connection
+type Connection interface {
+	// Metadata
+	Name() string
+	Type() DatabaseType
+
+	// ORM Access (SQL databases only)
+	Bun() (*bun.DB, error)
+	GORM() (*gorm.DB, error)
+	Native() (*sql.DB, error)
+
+	// Common Database interface (for SQL databases)
+	Database() (common.Database, error)
+
+	// MongoDB Access (MongoDB only)
+	MongoDB() (*mongo.Client, error)
+
+	// Lifecycle
+	Connect(ctx context.Context) error
+	Close() error
+	HealthCheck(ctx context.Context) error
+	Reconnect(ctx context.Context) error
+
+	// Stats
+	Stats() *ConnectionStats
+}
+
+// ConnectionStats contains statistics about a database connection
+type ConnectionStats struct {
+	Name              string
+	Type              DatabaseType
+	Connected         bool
+	LastHealthCheck   time.Time
+	HealthCheckStatus string
+
+	// SQL connection pool stats
+	OpenConnections   int
+	InUse             int
+	Idle              int
+	WaitCount         int64
+	WaitDuration      time.Duration
+	MaxIdleClosed     int64
+	MaxLifetimeClosed int64
+}
+
+// sqlConnection implements Connection for SQL databases (PostgreSQL, SQLite, MSSQL)
+type sqlConnection struct {
+	name     string
+	dbType   DatabaseType
+	config   ConnectionConfig
+	provider Provider
+
+	// Lazy-initialized ORM instances (all wrap the same sql.DB)
+	nativeDB *sql.DB
+	bunDB    *bun.DB
+	gormDB   *gorm.DB
+
+	// Adapters for common.Database interface
+	bunAdapter    *database.BunAdapter
+	gormAdapter   *database.GormAdapter
+	nativeAdapter common.Database
+
+	// State
+	connected bool
+	mu        sync.RWMutex
+
+	// Health check
+	lastHealthCheck   time.Time
+	healthCheckStatus string
+}
+
+// newSQLConnection creates a new SQL connection
+func newSQLConnection(name string, dbType DatabaseType, config ConnectionConfig, provider Provider) *sqlConnection {
+	return &sqlConnection{
+		name:     name,
+		dbType:   dbType,
+		config:   config,
+		provider: provider,
+	}
+}
+
+// Name returns the connection name
+func (c *sqlConnection) Name() string {
+	return c.name
+}
+
+// Type returns the database type
+func (c *sqlConnection) Type() DatabaseType {
+	return c.dbType
+}
+
+// Connect establishes the database connection
+func (c *sqlConnection) Connect(ctx context.Context) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if c.connected {
+		return ErrAlreadyConnected
+	}
+
+	if err := c.provider.Connect(ctx, &c.config); err != nil {
+		return NewConnectionError(c.name, "connect", err)
+	}
+
+	c.connected = true
+	return nil
+}
+
+// Close closes the database connection and all ORM instances
+func (c *sqlConnection) Close() error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if !c.connected {
+		return nil
+	}
+
+	// Close Bun if initialized
+	if c.bunDB != nil {
+		if err := c.bunDB.Close(); err != nil {
+			return NewConnectionError(c.name, "close bun", err)
+		}
+	}
+
+	// GORM doesn't have a separate close - it uses the underlying sql.DB
+
+	// Close the provider (which closes the underlying sql.DB)
+	if err := c.provider.Close(); err != nil {
+		return NewConnectionError(c.name, "close", err)
+	}
+
+	c.connected = false
+	c.nativeDB = nil
+	c.bunDB = nil
+	c.gormDB = nil
+	c.bunAdapter = nil
+	c.gormAdapter = nil
+	c.nativeAdapter = nil
+
+	return nil
+}
+
+// HealthCheck verifies the connection is alive
+func (c *sqlConnection) HealthCheck(ctx context.Context) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	c.lastHealthCheck = time.Now()
+
+	if !c.connected {
+		c.healthCheckStatus = "disconnected"
+		return ErrConnectionClosed
+	}
+
+	if err := c.provider.HealthCheck(ctx); err != nil {
+		c.healthCheckStatus = "unhealthy: " + err.Error()
+		return NewConnectionError(c.name, "health check", err)
+	}
+
+	c.healthCheckStatus = "healthy"
+	return nil
+}
+
+// Reconnect closes and re-establishes the connection
+func (c *sqlConnection) Reconnect(ctx context.Context) error {
+	if err := c.Close(); err != nil {
+		return err
+	}
+	return c.Connect(ctx)
+}
+
+// Native returns the native *sql.DB connection
+func (c *sqlConnection) Native() (*sql.DB, error) {
+	c.mu.RLock()
+	if c.nativeDB != nil {
+		defer c.mu.RUnlock()
+		return c.nativeDB, nil
+	}
+	c.mu.RUnlock()
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	// Double-check after acquiring write lock
+	if c.nativeDB != nil {
+		return c.nativeDB, nil
+	}
+
+	if !c.connected {
+		return nil, ErrConnectionClosed
+	}
+
+	// Get native connection from provider
+	db, err := c.provider.GetNative()
+	if err != nil {
+		return nil, NewConnectionError(c.name, "get native", err)
+	}
+
+	c.nativeDB = db
+	return c.nativeDB, nil
+}
+
+// Bun returns a Bun ORM instance wrapping the native connection
+func (c *sqlConnection) Bun() (*bun.DB, error) {
+	c.mu.RLock()
+	if c.bunDB != nil {
+		defer c.mu.RUnlock()
+		return c.bunDB, nil
+	}
+	c.mu.RUnlock()
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	// Double-check after acquiring write lock
+	if c.bunDB != nil {
+		return c.bunDB, nil
+	}
+
+	// Get native connection first
+	native, err := c.provider.GetNative()
+	if err != nil {
+		return nil, NewConnectionError(c.name, "get bun", err)
+	}
+
+	// Create Bun DB wrapping the same sql.DB
+	dialect := c.getBunDialect()
+	c.bunDB = bun.NewDB(native, dialect)
+
+	return c.bunDB, nil
+}
+
+// GORM returns a GORM instance wrapping the native connection
+func (c *sqlConnection) GORM() (*gorm.DB, error) {
+	c.mu.RLock()
+	if c.gormDB != nil {
+		defer c.mu.RUnlock()
+		return c.gormDB, nil
+	}
+	c.mu.RUnlock()
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	// Double-check after acquiring write lock
+	if c.gormDB != nil {
+		return c.gormDB, nil
+	}
+
+	// Get native connection first
+	native, err := c.provider.GetNative()
+	if err != nil {
+		return nil, NewConnectionError(c.name, "get gorm", err)
+	}
+
+	// Create GORM DB wrapping the same sql.DB
+	dialector := c.getGORMDialector(native)
+	db, err := gorm.Open(dialector, &gorm.Config{})
+	if err != nil {
+		return nil, NewConnectionError(c.name, "initialize gorm", err)
+	}
+
+	c.gormDB = db
+	return c.gormDB, nil
+}
+
+// Database returns the common.Database interface using the configured default ORM
+func (c *sqlConnection) Database() (common.Database, error) {
+	c.mu.RLock()
+	defaultORM := c.config.DefaultORM
+	c.mu.RUnlock()
+
+	switch ORMType(defaultORM) {
+	case ORMTypeBun:
+		return c.getBunAdapter()
+	case ORMTypeGORM:
+		return c.getGORMAdapter()
+	case ORMTypeNative:
+		return c.getNativeAdapter()
+	default:
+		// Default to Bun
+		return c.getBunAdapter()
+	}
+}
+
+// MongoDB returns an error for SQL connections
+func (c *sqlConnection) MongoDB() (*mongo.Client, error) {
+	return nil, ErrNotMongoDB
+}
+
+// Stats returns connection statistics
+func (c *sqlConnection) Stats() *ConnectionStats {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+
+	stats := &ConnectionStats{
+		Name:              c.name,
+		Type:              c.dbType,
+		Connected:         c.connected,
+		LastHealthCheck:   c.lastHealthCheck,
+		HealthCheckStatus: c.healthCheckStatus,
+	}
+
+	// Get SQL stats if connected
+	if c.connected && c.provider != nil {
+		if providerStats := c.provider.Stats(); providerStats != nil {
+			stats.OpenConnections = providerStats.OpenConnections
+			stats.InUse = providerStats.InUse
+			stats.Idle = providerStats.Idle
+			stats.WaitCount = providerStats.WaitCount
+			stats.WaitDuration = providerStats.WaitDuration
+			stats.MaxIdleClosed = providerStats.MaxIdleClosed
+			stats.MaxLifetimeClosed = providerStats.MaxLifetimeClosed
+		}
+	}
+
+	return stats
+}
+
+// getBunAdapter returns or creates the Bun adapter
+func (c *sqlConnection) getBunAdapter() (common.Database, error) {
+	c.mu.RLock()
+	if c.bunAdapter != nil {
+		defer c.mu.RUnlock()
+		return c.bunAdapter, nil
+	}
+	c.mu.RUnlock()
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if c.bunAdapter != nil {
+		return c.bunAdapter, nil
+	}
+
+	bunDB, err := c.Bun()
+	if err != nil {
+		return nil, err
+	}
+
+	c.bunAdapter = database.NewBunAdapter(bunDB)
+	return c.bunAdapter, nil
+}
+
+// getGORMAdapter returns or creates the GORM adapter
+func (c *sqlConnection) getGORMAdapter() (common.Database, error) {
+	c.mu.RLock()
+	if c.gormAdapter != nil {
+		defer c.mu.RUnlock()
+		return c.gormAdapter, nil
+	}
+	c.mu.RUnlock()
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if c.gormAdapter != nil {
+		return c.gormAdapter, nil
+	}
+
+	gormDB, err := c.GORM()
+	if err != nil {
+		return nil, err
+	}
+
+	c.gormAdapter = database.NewGormAdapter(gormDB)
+	return c.gormAdapter, nil
+}
+
+// getNativeAdapter returns or creates the native adapter
+func (c *sqlConnection) getNativeAdapter() (common.Database, error) {
+	c.mu.RLock()
+	if c.nativeAdapter != nil {
+		defer c.mu.RUnlock()
+		return c.nativeAdapter, nil
+	}
+	c.mu.RUnlock()
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if c.nativeAdapter != nil {
+		return c.nativeAdapter, nil
+	}
+
+	native, err := c.Native()
+	if err != nil {
+		return nil, err
+	}
+
+	// Create a native adapter based on database type
+	switch c.dbType {
+	case DatabaseTypePostgreSQL:
+		c.nativeAdapter = database.NewPgSQLAdapter(native)
+	case DatabaseTypeSQLite:
+		// For SQLite, we'll use the PgSQL adapter as it works with standard sql.DB
+		c.nativeAdapter = database.NewPgSQLAdapter(native)
+	case DatabaseTypeMSSQL:
+		// For MSSQL, we'll use the PgSQL adapter as it works with standard sql.DB
+		c.nativeAdapter = database.NewPgSQLAdapter(native)
+	default:
+		return nil, ErrUnsupportedDatabase
+	}
+
+	return c.nativeAdapter, nil
+}
+
+// getBunDialect returns the appropriate Bun dialect for the database type
+func (c *sqlConnection) getBunDialect() schema.Dialect {
+	switch c.dbType {
+	case DatabaseTypePostgreSQL:
+		return database.GetPostgresDialect()
+	case DatabaseTypeSQLite:
+		return database.GetSQLiteDialect()
+	case DatabaseTypeMSSQL:
+		return database.GetMSSQLDialect()
+	default:
+		// Default to PostgreSQL
+		return database.GetPostgresDialect()
+	}
+}
+
+// getGORMDialector returns the appropriate GORM dialector for the database type
+func (c *sqlConnection) getGORMDialector(db *sql.DB) gorm.Dialector {
+	switch c.dbType {
+	case DatabaseTypePostgreSQL:
+		return database.GetPostgresDialector(db)
+	case DatabaseTypeSQLite:
+		return database.GetSQLiteDialector(db)
+	case DatabaseTypeMSSQL:
+		return database.GetMSSQLDialector(db)
+	default:
+		// Default to PostgreSQL
+		return database.GetPostgresDialector(db)
+	}
+}
+
+// mongoConnection implements Connection for MongoDB
+type mongoConnection struct {
+	name     string
+	config   ConnectionConfig
+	provider Provider
+
+	// MongoDB client
+	client *mongo.Client
+
+	// State
+	connected bool
+	mu        sync.RWMutex
+
+	// Health check
+	lastHealthCheck   time.Time
+	healthCheckStatus string
+}
+
+// newMongoConnection creates a new MongoDB connection
+func newMongoConnection(name string, config ConnectionConfig, provider Provider) *mongoConnection {
+	return &mongoConnection{
+		name:     name,
+		config:   config,
+		provider: provider,
+	}
+}
+
+// Name returns the connection name
+func (c *mongoConnection) Name() string {
+	return c.name
+}
+
+// Type returns the database type (MongoDB)
+func (c *mongoConnection) Type() DatabaseType {
+	return DatabaseTypeMongoDB
+}
+
+// Connect establishes the MongoDB connection
+func (c *mongoConnection) Connect(ctx context.Context) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if c.connected {
+		return ErrAlreadyConnected
+	}
+
+	if err := c.provider.Connect(ctx, &c.config); err != nil {
+		return NewConnectionError(c.name, "connect", err)
+	}
+
+	// Get the mongo client
+	client, err := c.provider.GetMongo()
+	if err != nil {
+		return NewConnectionError(c.name, "get mongo client", err)
+	}
+
+	c.client = client
+	c.connected = true
+	return nil
+}
+
+// Close closes the MongoDB connection
+func (c *mongoConnection) Close() error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if !c.connected {
+		return nil
+	}
+
+	if err := c.provider.Close(); err != nil {
+		return NewConnectionError(c.name, "close", err)
+	}
+
+	c.connected = false
+	c.client = nil
+	return nil
+}
+
+// HealthCheck verifies the MongoDB connection is alive
+func (c *mongoConnection) HealthCheck(ctx context.Context) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	c.lastHealthCheck = time.Now()
+
+	if !c.connected {
+		c.healthCheckStatus = "disconnected"
+		return ErrConnectionClosed
+	}
+
+	if err := c.provider.HealthCheck(ctx); err != nil {
+		c.healthCheckStatus = "unhealthy: " + err.Error()
+		return NewConnectionError(c.name, "health check", err)
+	}
+
+	c.healthCheckStatus = "healthy"
+	return nil
+}
+
+// Reconnect closes and re-establishes the MongoDB connection
+func (c *mongoConnection) Reconnect(ctx context.Context) error {
+	if err := c.Close(); err != nil {
+		return err
+	}
+	return c.Connect(ctx)
+}
+
+// MongoDB returns the MongoDB client
+func (c *mongoConnection) MongoDB() (*mongo.Client, error) {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+
+	if !c.connected || c.client == nil {
+		return nil, ErrConnectionClosed
+	}
+
+	return c.client, nil
+}
+
+// Bun returns an error for MongoDB connections
+func (c *mongoConnection) Bun() (*bun.DB, error) {
+	return nil, ErrNotSQLDatabase
+}
+
+// GORM returns an error for MongoDB connections
+func (c *mongoConnection) GORM() (*gorm.DB, error) {
+	return nil, ErrNotSQLDatabase
+}
+
+// Native returns an error for MongoDB connections
+func (c *mongoConnection) Native() (*sql.DB, error) {
+	return nil, ErrNotSQLDatabase
+}
+
+// Database returns an error for MongoDB connections
+func (c *mongoConnection) Database() (common.Database, error) {
+	return nil, ErrNotSQLDatabase
+}
+
+// Stats returns connection statistics for MongoDB
+func (c *mongoConnection) Stats() *ConnectionStats {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+
+	return &ConnectionStats{
+		Name:              c.name,
+		Type:              DatabaseTypeMongoDB,
+		Connected:         c.connected,
+		LastHealthCheck:   c.lastHealthCheck,
+		HealthCheckStatus: c.healthCheckStatus,
+	}
+}
--- a/pkg/dbmanager/errors.go
+++ b/pkg/dbmanager/errors.go
@@ -0,0 +1,82 @@
+package dbmanager
+
+import (
+	"errors"
+	"fmt"
+)
+
+// Common errors
+var (
+	// ErrConnectionNotFound is returned when a connection with the given name doesn't exist
+	ErrConnectionNotFound = errors.New("connection not found")
+
+	// ErrInvalidConfiguration is returned when the configuration is invalid
+	ErrInvalidConfiguration = errors.New("invalid configuration")
+
+	// ErrConnectionClosed is returned when attempting to use a closed connection
+	ErrConnectionClosed = errors.New("connection is closed")
+
+	// ErrNotSQLDatabase is returned when attempting SQL operations on a non-SQL database
+	ErrNotSQLDatabase = errors.New("not a SQL database")
+
+	// ErrNotMongoDB is returned when attempting MongoDB operations on a non-MongoDB connection
+	ErrNotMongoDB = errors.New("not a MongoDB connection")
+
+	// ErrUnsupportedDatabase is returned when the database type is not supported
+	ErrUnsupportedDatabase = errors.New("unsupported database type")
+
+	// ErrNoDefaultConnection is returned when no default connection is configured
+	ErrNoDefaultConnection = errors.New("no default connection configured")
+
+	// ErrAlreadyConnected is returned when attempting to connect an already connected connection
+	ErrAlreadyConnected = errors.New("already connected")
+)
+
+// ConnectionError wraps errors that occur during connection operations
+type ConnectionError struct {
+	Name      string
+	Operation string
+	Err       error
+}
+
+func (e *ConnectionError) Error() string {
+	return fmt.Sprintf("connection '%s' %s: %v", e.Name, e.Operation, e.Err)
+}
+
+func (e *ConnectionError) Unwrap() error {
+	return e.Err
+}
+
+// NewConnectionError creates a new ConnectionError
+func NewConnectionError(name, operation string, err error) *ConnectionError {
+	return &ConnectionError{
+		Name:      name,
+		Operation: operation,
+		Err:       err,
+	}
+}
+
+// ConfigurationError wraps configuration-related errors
+type ConfigurationError struct {
+	Field string
+	Err   error
+}
+
+func (e *ConfigurationError) Error() string {
+	if e.Field != "" {
+		return fmt.Sprintf("configuration error in field '%s': %v", e.Field, e.Err)
+	}
+	return fmt.Sprintf("configuration error: %v", e.Err)
+}
+
+func (e *ConfigurationError) Unwrap() error {
+	return e.Err
+}
+
+// NewConfigurationError creates a new ConfigurationError
+func NewConfigurationError(field string, err error) *ConfigurationError {
+	return &ConfigurationError{
+		Field: field,
+		Err:   err,
+	}
+}
--- a/pkg/dbmanager/factory.go
+++ b/pkg/dbmanager/factory.go
@@ -0,0 +1,51 @@
+package dbmanager
+
+import (
+	"fmt"
+
+	"github.com/bitechdev/ResolveSpec/pkg/dbmanager/providers"
+)
+
+// createConnection creates a database connection based on the configuration
+func createConnection(cfg ConnectionConfig) (Connection, error) {
+	// Validate configuration
+	if err := cfg.Validate(); err != nil {
+		return nil, fmt.Errorf("invalid connection configuration: %w", err)
+	}
+
+	// Create provider based on database type
+	provider, err := createProvider(cfg.Type)
+	if err != nil {
+		return nil, err
+	}
+
+	// Create connection wrapper based on database type
+	switch cfg.Type {
+	case DatabaseTypePostgreSQL, DatabaseTypeSQLite, DatabaseTypeMSSQL:
+		return newSQLConnection(cfg.Name, cfg.Type, cfg, provider), nil
+	case DatabaseTypeMongoDB:
+		return newMongoConnection(cfg.Name, cfg, provider), nil
+	default:
+		return nil, fmt.Errorf("%w: %s", ErrUnsupportedDatabase, cfg.Type)
+	}
+}
+
+// createProvider creates a database provider based on the database type
+func createProvider(dbType DatabaseType) (Provider, error) {
+	switch dbType {
+	case DatabaseTypePostgreSQL:
+		return providers.NewPostgresProvider(), nil
+	case DatabaseTypeSQLite:
+		return providers.NewSQLiteProvider(), nil
+	case DatabaseTypeMSSQL:
+		return providers.NewMSSQLProvider(), nil
+	case DatabaseTypeMongoDB:
+		return providers.NewMongoProvider(), nil
+	default:
+		return nil, fmt.Errorf("%w: %s", ErrUnsupportedDatabase, dbType)
+	}
+}
+
+// Provider is an alias to the providers.Provider interface
+// This allows dbmanager package consumers to use Provider without importing providers
+type Provider = providers.Provider
--- a/pkg/dbmanager/manager.go
+++ b/pkg/dbmanager/manager.go
@@ -0,0 +1,326 @@
+package dbmanager
+
+import (
+	"context"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/bitechdev/ResolveSpec/pkg/common"
+	"github.com/bitechdev/ResolveSpec/pkg/logger"
+)
+
+// Manager manages multiple named database connections
+type Manager interface {
+	// Connection retrieval
+	Get(name string) (Connection, error)
+	GetDefault() (Connection, error)
+	GetAll() map[string]Connection
+
+	// Default database management
+	GetDefaultDatabase() (common.Database, error)
+	SetDefaultDatabase(name string) error
+
+	// Lifecycle
+	Connect(ctx context.Context) error
+	Close() error
+	HealthCheck(ctx context.Context) error
+
+	// Stats
+	Stats() *ManagerStats
+}
+
+// ManagerStats contains statistics about the connection manager
+type ManagerStats struct {
+	TotalConnections int
+	HealthyCount     int
+	UnhealthyCount   int
+	ConnectionStats  map[string]*ConnectionStats
+}
+
+// connectionManager implements Manager
+type connectionManager struct {
+	connections map[string]Connection
+	config      ManagerConfig
+	mu          sync.RWMutex
+
+	// Background health check
+	healthTicker *time.Ticker
+	stopChan     chan struct{}
+	wg           sync.WaitGroup
+}
+
+// NewManager creates a new database connection manager
+func NewManager(cfg ManagerConfig) (Manager, error) {
+	// Apply defaults and validate configuration
+	cfg.ApplyDefaults()
+	if err := cfg.Validate(); err != nil {
+		return nil, fmt.Errorf("invalid configuration: %w", err)
+	}
+
+	mgr := &connectionManager{
+		connections: make(map[string]Connection),
+		config:      cfg,
+		stopChan:    make(chan struct{}),
+	}
+
+	return mgr, nil
+}
+
+// Get retrieves a named connection
+func (m *connectionManager) Get(name string) (Connection, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	conn, ok := m.connections[name]
+	if !ok {
+		return nil, fmt.Errorf("%w: %s", ErrConnectionNotFound, name)
+	}
+
+	return conn, nil
+}
+
+// GetDefault retrieves the default connection
+func (m *connectionManager) GetDefault() (Connection, error) {
+	m.mu.RLock()
+	defaultName := m.config.DefaultConnection
+	m.mu.RUnlock()
+
+	if defaultName == "" {
+		return nil, ErrNoDefaultConnection
+	}
+
+	return m.Get(defaultName)
+}
+
+// GetAll returns all connections
+func (m *connectionManager) GetAll() map[string]Connection {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	// Create a copy to avoid concurrent access issues
+	result := make(map[string]Connection, len(m.connections))
+	for name, conn := range m.connections {
+		result[name] = conn
+	}
+
+	return result
+}
+
+// GetDefaultDatabase returns the common.Database interface from the default connection
+func (m *connectionManager) GetDefaultDatabase() (common.Database, error) {
+	conn, err := m.GetDefault()
+	if err != nil {
+		return nil, err
+	}
+
+	db, err := conn.Database()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get database from default connection: %w", err)
+	}
+
+	return db, nil
+}
+
+// SetDefaultDatabase sets the default database connection by name
+func (m *connectionManager) SetDefaultDatabase(name string) error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	// Verify the connection exists
+	if _, ok := m.connections[name]; !ok {
+		return fmt.Errorf("%w: %s", ErrConnectionNotFound, name)
+	}
+
+	m.config.DefaultConnection = name
+	logger.Info("Default database connection changed: name=%s", name)
+
+	return nil
+}
+
+// Connect establishes all configured database connections
+func (m *connectionManager) Connect(ctx context.Context) error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	// Create connections from configuration
+	for name := range m.config.Connections {
+		// Get a copy of the connection config
+		connCfg := m.config.Connections[name]
+		// Apply global defaults to connection config
+		connCfg.ApplyDefaults(&m.config)
+		connCfg.Name = name
+
+		// Create connection using factory
+		conn, err := createConnection(connCfg)
+		if err != nil {
+			return fmt.Errorf("failed to create connection '%s': %w", name, err)
+		}
+
+		// Connect
+		if err := conn.Connect(ctx); err != nil {
+			return fmt.Errorf("failed to connect '%s': %w", name, err)
+		}
+
+		m.connections[name] = conn
+		logger.Info("Database connection established: name=%s, type=%s", name, connCfg.Type)
+	}
+
+	// Start background health checks if enabled
+	if m.config.EnableAutoReconnect && m.config.HealthCheckInterval > 0 {
+		m.startHealthChecker()
+	}
+
+	logger.Info("Database manager initialized: connections=%d", len(m.connections))
+	return nil
+}
+
+// Close closes all database connections
+func (m *connectionManager) Close() error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	// Stop health checker
+	m.stopHealthChecker()
+
+	// Close all connections
+	var errors []error
+	for name, conn := range m.connections {
+		if err := conn.Close(); err != nil {
+			errors = append(errors, fmt.Errorf("failed to close connection '%s': %w", name, err))
+			logger.Error("Failed to close connection", "name", name, "error", err)
+		} else {
+			logger.Info("Connection closed: name=%s", name)
+		}
+	}
+
+	m.connections = make(map[string]Connection)
+
+	if len(errors) > 0 {
+		return fmt.Errorf("errors closing connections: %v", errors)
+	}
+
+	logger.Info("Database manager closed")
+	return nil
+}
+
+// HealthCheck performs health checks on all connections
+func (m *connectionManager) HealthCheck(ctx context.Context) error {
+	m.mu.RLock()
+	connections := make(map[string]Connection, len(m.connections))
+	for name, conn := range m.connections {
+		connections[name] = conn
+	}
+	m.mu.RUnlock()
+
+	var errors []error
+	for name, conn := range connections {
+		if err := conn.HealthCheck(ctx); err != nil {
+			errors = append(errors, fmt.Errorf("connection '%s': %w", name, err))
+		}
+	}
+
+	if len(errors) > 0 {
+		return fmt.Errorf("health check failed for %d connections: %v", len(errors), errors)
+	}
+
+	return nil
+}
+
+// Stats returns statistics for all connections
+func (m *connectionManager) Stats() *ManagerStats {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	stats := &ManagerStats{
+		TotalConnections: len(m.connections),
+		ConnectionStats:  make(map[string]*ConnectionStats),
+	}
+
+	for name, conn := range m.connections {
+		connStats := conn.Stats()
+		stats.ConnectionStats[name] = connStats
+
+		if connStats.Connected && connStats.HealthCheckStatus == "healthy" {
+			stats.HealthyCount++
+		} else {
+			stats.UnhealthyCount++
+		}
+	}
+
+	return stats
+}
+
+// startHealthChecker starts background health checking
+func (m *connectionManager) startHealthChecker() {
+	if m.healthTicker != nil {
+		return // Already running
+	}
+
+	m.healthTicker = time.NewTicker(m.config.HealthCheckInterval)
+
+	m.wg.Add(1)
+	go func() {
+		defer m.wg.Done()
+		logger.Info("Health checker started: interval=%v", m.config.HealthCheckInterval)
+
+		for {
+			select {
+			case <-m.healthTicker.C:
+				m.performHealthCheck()
+			case <-m.stopChan:
+				logger.Info("Health checker stopped")
+				return
+			}
+		}
+	}()
+}
+
+// stopHealthChecker stops background health checking
+func (m *connectionManager) stopHealthChecker() {
+	if m.healthTicker != nil {
+		m.healthTicker.Stop()
+		close(m.stopChan)
+		m.wg.Wait()
+		m.healthTicker = nil
+	}
+}
+
+// performHealthCheck performs a health check on all connections
+func (m *connectionManager) performHealthCheck() {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	m.mu.RLock()
+	connections := make([]struct {
+		name string
+		conn Connection
+	}, 0, len(m.connections))
+	for name, conn := range m.connections {
+		connections = append(connections, struct {
+			name string
+			conn Connection
+		}{name, conn})
+	}
+	m.mu.RUnlock()
+
+	for _, item := range connections {
+		if err := item.conn.HealthCheck(ctx); err != nil {
+			logger.Warn("Health check failed",
+				"connection", item.name,
+				"error", err)
+
+			// Attempt reconnection if enabled
+			if m.config.EnableAutoReconnect {
+				logger.Info("Attempting reconnection: connection=%s", item.name)
+				if err := item.conn.Reconnect(ctx); err != nil {
+					logger.Error("Reconnection failed",
+						"connection", item.name,
+						"error", err)
+				} else {
+					logger.Info("Reconnection successful: connection=%s", item.name)
+				}
+			}
+		}
+	}
+}
--- a/pkg/dbmanager/metrics.go
+++ b/pkg/dbmanager/metrics.go
@@ -0,0 +1,136 @@
+package dbmanager
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+)
+
+var (
+	// connectionsTotal tracks the total number of configured database connections
+	connectionsTotal = promauto.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Name: "dbmanager_connections_total",
+			Help: "Total number of configured database connections",
+		},
+		[]string{"type"},
+	)
+
+	// connectionStatus tracks connection health status (1=healthy, 0=unhealthy)
+	connectionStatus = promauto.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Name: "dbmanager_connection_status",
+			Help: "Connection status (1=healthy, 0=unhealthy)",
+		},
+		[]string{"name", "type"},
+	)
+
+	// connectionPoolSize tracks connection pool sizes
+	connectionPoolSize = promauto.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Name: "dbmanager_connection_pool_size",
+			Help: "Current connection pool size",
+		},
+		[]string{"name", "type", "state"}, // state: open, idle, in_use
+	)
+
+	// connectionWaitCount tracks how many times connections had to wait for availability
+	connectionWaitCount = promauto.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Name: "dbmanager_connection_wait_count",
+			Help: "Number of times connections had to wait for availability",
+		},
+		[]string{"name", "type"},
+	)
+
+	// connectionWaitDuration tracks total time connections spent waiting
+	connectionWaitDuration = promauto.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Name: "dbmanager_connection_wait_duration_seconds",
+			Help: "Total time connections spent waiting for availability",
+		},
+		[]string{"name", "type"},
+	)
+
+	// reconnectAttempts tracks reconnection attempts and their outcomes
+	reconnectAttempts = promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Name: "dbmanager_reconnect_attempts_total",
+			Help: "Total number of reconnection attempts",
+		},
+		[]string{"name", "type", "result"}, // result: success, failure
+	)
+
+	// connectionLifetimeClosed tracks connections closed due to max lifetime
+	connectionLifetimeClosed = promauto.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Name: "dbmanager_connection_lifetime_closed_total",
+			Help: "Total connections closed due to exceeding max lifetime",
+		},
+		[]string{"name", "type"},
+	)
+
+	// connectionIdleClosed tracks connections closed due to max idle time
+	connectionIdleClosed = promauto.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Name: "dbmanager_connection_idle_closed_total",
+			Help: "Total connections closed due to exceeding max idle time",
+		},
+		[]string{"name", "type"},
+	)
+)
+
+// PublishMetrics publishes current metrics for all connections
+func (m *connectionManager) PublishMetrics() {
+	stats := m.Stats()
+
+	// Count connections by type
+	typeCount := make(map[DatabaseType]int)
+	for _, connStats := range stats.ConnectionStats {
+		typeCount[connStats.Type]++
+	}
+
+	// Update total connections gauge
+	for dbType, count := range typeCount {
+		connectionsTotal.WithLabelValues(string(dbType)).Set(float64(count))
+	}
+
+	// Update per-connection metrics
+	for name, connStats := range stats.ConnectionStats {
+		labels := prometheus.Labels{
+			"name": name,
+			"type": string(connStats.Type),
+		}
+
+		// Connection status
+		status := float64(0)
+		if connStats.Connected && connStats.HealthCheckStatus == "healthy" {
+			status = 1
+		}
+		connectionStatus.With(labels).Set(status)
+
+		// Pool size metrics (SQL databases only)
+		if connStats.Type != DatabaseTypeMongoDB {
+			connectionPoolSize.WithLabelValues(name, string(connStats.Type), "open").Set(float64(connStats.OpenConnections))
+			connectionPoolSize.WithLabelValues(name, string(connStats.Type), "idle").Set(float64(connStats.Idle))
+			connectionPoolSize.WithLabelValues(name, string(connStats.Type), "in_use").Set(float64(connStats.InUse))
+
+			// Wait stats
+			connectionWaitCount.With(labels).Set(float64(connStats.WaitCount))
+			connectionWaitDuration.With(labels).Set(connStats.WaitDuration.Seconds())
+
+			// Lifetime/idle closed
+			connectionLifetimeClosed.With(labels).Set(float64(connStats.MaxLifetimeClosed))
+			connectionIdleClosed.With(labels).Set(float64(connStats.MaxIdleClosed))
+		}
+	}
+}
+
+// RecordReconnectAttempt records a reconnection attempt
+func RecordReconnectAttempt(name string, dbType DatabaseType, success bool) {
+	result := "failure"
+	if success {
+		result = "success"
+	}
+
+	reconnectAttempts.WithLabelValues(name, string(dbType), result).Inc()
+}
--- a/pkg/dbmanager/providers/POSTGRES_NOTIFY_LISTEN.md
+++ b/pkg/dbmanager/providers/POSTGRES_NOTIFY_LISTEN.md
@@ -0,0 +1,319 @@
+# PostgreSQL NOTIFY/LISTEN Support
+
+The `dbmanager` package provides built-in support for PostgreSQL's NOTIFY/LISTEN functionality through the `PostgresListener` type.
+
+## Overview
+
+PostgreSQL NOTIFY/LISTEN is a simple pub/sub mechanism that allows database clients to:
+- **LISTEN** on named channels to receive notifications
+- **NOTIFY** channels to send messages to all listeners
+- Receive asynchronous notifications without polling
+
+## Features
+
+- ✅ Subscribe to multiple channels simultaneously
+- ✅ Callback-based notification handling
+- ✅ Automatic reconnection on connection loss
+- ✅ Automatic resubscription after reconnection
+- ✅ Thread-safe operations
+- ✅ Panic recovery in notification handlers
+- ✅ Dedicated connection for listening (doesn't interfere with queries)
+
+## Usage
+
+### Basic Usage
+
+```go
+package main
+
+import (
+    "context"
+    "fmt"
+    "time"
+
+    "github.com/bitechdev/ResolveSpec/pkg/dbmanager/providers"
+)
+
+func main() {
+    // Create PostgreSQL provider
+    cfg := &providers.Config{
+        Name:     "primary",
+        Type:     "postgres",
+        Host:     "localhost",
+        Port:     5432,
+        User:     "postgres",
+        Password: "password",
+        Database: "myapp",
+    }
+
+    provider := providers.NewPostgresProvider()
+    ctx := context.Background()
+
+    if err := provider.Connect(ctx, cfg); err != nil {
+        panic(err)
+    }
+    defer provider.Close()
+
+    // Get listener
+    listener, err := provider.GetListener(ctx)
+    if err != nil {
+        panic(err)
+    }
+
+    // Subscribe to a channel
+    err = listener.Listen("events", func(channel, payload string) {
+        fmt.Printf("Received on %s: %s\n", channel, payload)
+    })
+    if err != nil {
+        panic(err)
+    }
+
+    // Send a notification
+    err = listener.Notify(ctx, "events", "Hello, World!")
+    if err != nil {
+        panic(err)
+    }
+
+    // Keep the program running
+    time.Sleep(1 * time.Second)
+}
+```
+
+### Multiple Channels
+
+```go
+listener, _ := provider.GetListener(ctx)
+
+// Listen to different channels with different handlers
+listener.Listen("user_events", func(channel, payload string) {
+    fmt.Printf("User event: %s\n", payload)
+})
+
+listener.Listen("order_events", func(channel, payload string) {
+    fmt.Printf("Order event: %s\n", payload)
+})
+
+listener.Listen("payment_events", func(channel, payload string) {
+    fmt.Printf("Payment event: %s\n", payload)
+})
+```
+
+### Unsubscribing
+
+```go
+// Stop listening to a specific channel
+err := listener.Unlisten("user_events")
+if err != nil {
+    fmt.Printf("Failed to unlisten: %v\n", err)
+}
+```
+
+### Checking Active Channels
+
+```go
+// Get list of channels currently being listened to
+channels := listener.Channels()
+fmt.Printf("Listening to: %v\n", channels)
+```
+
+### Checking Connection Status
+
+```go
+if listener.IsConnected() {
+    fmt.Println("Listener is connected")
+} else {
+    fmt.Println("Listener is disconnected")
+}
+```
+
+## Integration with DBManager
+
+When using the DBManager, you can access the listener through the PostgreSQL provider:
+
+```go
+// Initialize DBManager
+mgr, err := dbmanager.NewManager(dbmanager.FromConfig(cfg.DBManager))
+mgr.Connect(ctx)
+defer mgr.Close()
+
+// Get PostgreSQL connection
+conn, err := mgr.Get("primary")
+
+// Note: You'll need to cast to the underlying provider type
+// This requires exposing the provider through the Connection interface
+// or providing a helper method
+```
+
+## Use Cases
+
+### Cache Invalidation
+
+```go
+listener.Listen("cache_invalidation", func(channel, payload string) {
+    // Parse the payload to determine what to invalidate
+    cache.Invalidate(payload)
+})
+```
+
+### Real-time Updates
+
+```go
+listener.Listen("data_updates", func(channel, payload string) {
+    // Broadcast update to WebSocket clients
+    websocketBroadcast(payload)
+})
+```
+
+### Configuration Reload
+
+```go
+listener.Listen("config_reload", func(channel, payload string) {
+    // Reload application configuration
+    config.Reload()
+})
+```
+
+### Distributed Locking
+
+```go
+listener.Listen("lock_released", func(channel, payload string) {
+    // Attempt to acquire the lock
+    tryAcquireLock(payload)
+})
+```
+
+## Automatic Reconnection
+
+The listener automatically handles connection failures:
+
+1. When a connection error is detected, the listener initiates reconnection
+2. Once reconnected, it automatically resubscribes to all previous channels
+3. Notification handlers remain active throughout the reconnection process
+
+No manual intervention is required for reconnection.
+
+## Error Handling
+
+### Handler Panics
+
+If a notification handler panics, the panic is recovered and logged. The listener continues to function normally:
+
+```go
+listener.Listen("events", func(channel, payload string) {
+    defer func() {
+        if r := recover(); r != nil {
+            log.Printf("Handler panic: %v", r)
+        }
+    }()
+
+    // Your event processing logic
+    processEvent(payload)
+})
+```
+
+### Connection Errors
+
+Connection errors trigger automatic reconnection. Check logs for reconnection events when `EnableLogging` is true.
+
+## Thread Safety
+
+All `PostgresListener` methods are thread-safe and can be called concurrently from multiple goroutines.
+
+## Performance Considerations
+
+1. **Dedicated Connection**: The listener uses a dedicated PostgreSQL connection separate from the query connection pool
+2. **Asynchronous Handlers**: Notification handlers run in separate goroutines to avoid blocking
+3. **Lightweight**: NOTIFY/LISTEN has minimal overhead compared to polling
+
+## Comparison with Polling
+
+| Feature | NOTIFY/LISTEN | Polling |
+|---------|---------------|---------|
+| Latency | Low (near real-time) | High (depends on poll interval) |
+| Database Load | Minimal | High (constant queries) |
+| Scalability | Excellent | Poor |
+| Complexity | Simple | Moderate |
+
+## Limitations
+
+1. **PostgreSQL Only**: This feature is specific to PostgreSQL and not available for other databases
+2. **No Message Persistence**: Notifications are not stored; if no listener is connected, the message is lost
+3. **Payload Limit**: Notification payload is limited to 8000 bytes in PostgreSQL
+4. **No Guaranteed Delivery**: If a listener disconnects, in-flight notifications may be lost
+
+## Best Practices
+
+1. **Keep Handlers Fast**: Notification handlers should be quick; for heavy processing, send work to a queue
+2. **Use JSON Payloads**: Encode structured data as JSON for easy parsing
+3. **Handle Errors Gracefully**: Always recover from panics in handlers
+4. **Close Properly**: Always close the provider to ensure the listener is properly shut down
+5. **Monitor Connection Status**: Use `IsConnected()` for health checks
+
+## Example: Real-World Application
+
+```go
+// Subscribe to various application events
+listener, _ := provider.GetListener(ctx)
+
+// User registration events
+listener.Listen("user_registered", func(channel, payload string) {
+    var event UserRegisteredEvent
+    json.Unmarshal([]byte(payload), &event)
+
+    // Send welcome email
+    sendWelcomeEmail(event.UserID)
+
+    // Invalidate user count cache
+    cache.Delete("user_count")
+})
+
+// Order placement events
+listener.Listen("order_placed", func(channel, payload string) {
+    var event OrderPlacedEvent
+    json.Unmarshal([]byte(payload), &event)
+
+    // Notify warehouse system
+    warehouse.ProcessOrder(event.OrderID)
+
+    // Update inventory cache
+    cache.Invalidate("inventory:" + event.ProductID)
+})
+
+// Configuration changes
+listener.Listen("config_updated", func(channel, payload string) {
+    // Reload configuration from database
+    appConfig.Reload()
+})
+```
+
+## Triggering Notifications from SQL
+
+You can trigger notifications directly from PostgreSQL triggers or functions:
+
+```sql
+-- Example trigger to notify on new user
+CREATE OR REPLACE FUNCTION notify_user_registered()
+RETURNS TRIGGER AS $$
+BEGIN
+    PERFORM pg_notify('user_registered',
+        json_build_object(
+            'user_id', NEW.id,
+            'email', NEW.email,
+            'timestamp', NOW()
+        )::text
+    );
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER user_registered_trigger
+AFTER INSERT ON users
+FOR EACH ROW
+EXECUTE FUNCTION notify_user_registered();
+```
+
+## Additional Resources
+
+- [PostgreSQL NOTIFY Documentation](https://www.postgresql.org/docs/current/sql-notify.html)
+- [PostgreSQL LISTEN Documentation](https://www.postgresql.org/docs/current/sql-listen.html)
+- [pgx Driver Documentation](https://github.com/jackc/pgx)
--- a/pkg/dbmanager/providers/mongodb.go
+++ b/pkg/dbmanager/providers/mongodb.go
@@ -0,0 +1,214 @@
+package providers
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"time"
+
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+	"go.mongodb.org/mongo-driver/mongo/readpref"
+
+	"github.com/bitechdev/ResolveSpec/pkg/logger"
+)
+
+// MongoProvider implements Provider for MongoDB databases
+type MongoProvider struct {
+	client *mongo.Client
+	config ConnectionConfig
+}
+
+// NewMongoProvider creates a new MongoDB provider
+func NewMongoProvider() *MongoProvider {
+	return &MongoProvider{}
+}
+
+// Connect establishes a MongoDB connection
+func (p *MongoProvider) Connect(ctx context.Context, cfg ConnectionConfig) error {
+	// Build DSN
+	dsn, err := cfg.BuildDSN()
+	if err != nil {
+		return fmt.Errorf("failed to build DSN: %w", err)
+	}
+
+	// Create client options
+	clientOpts := options.Client().ApplyURI(dsn)
+
+	// Set connection pool size
+	if cfg.GetMaxOpenConns() != nil {
+		maxPoolSize := uint64(*cfg.GetMaxOpenConns())
+		clientOpts.SetMaxPoolSize(maxPoolSize)
+	}
+
+	if cfg.GetMaxIdleConns() != nil {
+		minPoolSize := uint64(*cfg.GetMaxIdleConns())
+		clientOpts.SetMinPoolSize(minPoolSize)
+	}
+
+	// Set timeouts
+	clientOpts.SetConnectTimeout(cfg.GetConnectTimeout())
+	if cfg.GetQueryTimeout() > 0 {
+		clientOpts.SetTimeout(cfg.GetQueryTimeout())
+	}
+
+	// Set read preference if specified
+	if cfg.GetReadPreference() != "" {
+		rp, err := parseReadPreference(cfg.GetReadPreference())
+		if err != nil {
+			return fmt.Errorf("invalid read preference: %w", err)
+		}
+		clientOpts.SetReadPreference(rp)
+	}
+
+	// Connect with retry logic
+	var client *mongo.Client
+	var lastErr error
+
+	retryAttempts := 3
+	retryDelay := 1 * time.Second
+
+	for attempt := 0; attempt < retryAttempts; attempt++ {
+		if attempt > 0 {
+			delay := calculateBackoff(attempt, retryDelay, 10*time.Second)
+			if cfg.GetEnableLogging() {
+				logger.Info("Retrying MongoDB connection: attempt=%d/%d, delay=%v", attempt+1, retryAttempts, delay)
+			}
+
+			select {
+			case <-time.After(delay):
+			case <-ctx.Done():
+				return ctx.Err()
+			}
+		}
+
+		// Create MongoDB client
+		client, err = mongo.Connect(ctx, clientOpts)
+		if err != nil {
+			lastErr = err
+			if cfg.GetEnableLogging() {
+				logger.Warn("Failed to connect to MongoDB", "error", err)
+			}
+			continue
+		}
+
+		// Ping the database to verify connection
+		pingCtx, cancel := context.WithTimeout(ctx, cfg.GetConnectTimeout())
+		err = client.Ping(pingCtx, readpref.Primary())
+		cancel()
+
+		if err != nil {
+			lastErr = err
+			_ = client.Disconnect(ctx)
+			if cfg.GetEnableLogging() {
+				logger.Warn("Failed to ping MongoDB", "error", err)
+			}
+			continue
+		}
+
+		// Connection successful
+		break
+	}
+
+	if err != nil {
+		return fmt.Errorf("failed to connect after %d attempts: %w", retryAttempts, lastErr)
+	}
+
+	p.client = client
+	p.config = cfg
+
+	if cfg.GetEnableLogging() {
+		logger.Info("MongoDB connection established: name=%s, host=%s, database=%s", cfg.GetName(), cfg.GetHost(), cfg.GetDatabase())
+	}
+
+	return nil
+}
+
+// Close closes the MongoDB connection
+func (p *MongoProvider) Close() error {
+	if p.client == nil {
+		return nil
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	err := p.client.Disconnect(ctx)
+	if err != nil {
+		return fmt.Errorf("failed to close MongoDB connection: %w", err)
+	}
+
+	if p.config.GetEnableLogging() {
+		logger.Info("MongoDB connection closed: name=%s", p.config.GetName())
+	}
+
+	p.client = nil
+	return nil
+}
+
+// HealthCheck verifies the MongoDB connection is alive
+func (p *MongoProvider) HealthCheck(ctx context.Context) error {
+	if p.client == nil {
+		return fmt.Errorf("MongoDB client is nil")
+	}
+
+	// Use a short timeout for health checks
+	healthCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+
+	if err := p.client.Ping(healthCtx, readpref.Primary()); err != nil {
+		return fmt.Errorf("health check failed: %w", err)
+	}
+
+	return nil
+}
+
+// GetNative returns an error for MongoDB (not a SQL database)
+func (p *MongoProvider) GetNative() (*sql.DB, error) {
+	return nil, ErrNotSQLDatabase
+}
+
+// GetMongo returns the MongoDB client
+func (p *MongoProvider) GetMongo() (*mongo.Client, error) {
+	if p.client == nil {
+		return nil, fmt.Errorf("MongoDB client is not initialized")
+	}
+	return p.client, nil
+}
+
+// Stats returns connection statistics for MongoDB
+func (p *MongoProvider) Stats() *ConnectionStats {
+	if p.client == nil {
+		return &ConnectionStats{
+			Name:      p.config.GetName(),
+			Type:      "mongodb",
+			Connected: false,
+		}
+	}
+
+	// MongoDB doesn't expose detailed connection pool stats like sql.DB
+	// We return basic stats
+	return &ConnectionStats{
+		Name:      p.config.GetName(),
+		Type:      "mongodb",
+		Connected: true,
+	}
+}
+
+// parseReadPreference parses a read preference string into a readpref.ReadPref
+func parseReadPreference(rp string) (*readpref.ReadPref, error) {
+	switch rp {
+	case "primary":
+		return readpref.Primary(), nil
+	case "primaryPreferred":
+		return readpref.PrimaryPreferred(), nil
+	case "secondary":
+		return readpref.Secondary(), nil
+	case "secondaryPreferred":
+		return readpref.SecondaryPreferred(), nil
+	case "nearest":
+		return readpref.Nearest(), nil
+	default:
+		return nil, fmt.Errorf("unknown read preference: %s", rp)
+	}
+}
--- a/pkg/dbmanager/providers/mssql.go
+++ b/pkg/dbmanager/providers/mssql.go
@@ -0,0 +1,184 @@
+package providers
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"time"
+
+	_ "github.com/microsoft/go-mssqldb" // MSSQL driver
+	"go.mongodb.org/mongo-driver/mongo"
+
+	"github.com/bitechdev/ResolveSpec/pkg/logger"
+)
+
+// MSSQLProvider implements Provider for Microsoft SQL Server databases
+type MSSQLProvider struct {
+	db     *sql.DB
+	config ConnectionConfig
+}
+
+// NewMSSQLProvider creates a new MSSQL provider
+func NewMSSQLProvider() *MSSQLProvider {
+	return &MSSQLProvider{}
+}
+
+// Connect establishes a MSSQL connection
+func (p *MSSQLProvider) Connect(ctx context.Context, cfg ConnectionConfig) error {
+	// Build DSN
+	dsn, err := cfg.BuildDSN()
+	if err != nil {
+		return fmt.Errorf("failed to build DSN: %w", err)
+	}
+
+	// Connect with retry logic
+	var db *sql.DB
+	var lastErr error
+
+	retryAttempts := 3 // Default retry attempts
+	retryDelay := 1 * time.Second
+
+	for attempt := 0; attempt < retryAttempts; attempt++ {
+		if attempt > 0 {
+			delay := calculateBackoff(attempt, retryDelay, 10*time.Second)
+			if cfg.GetEnableLogging() {
+				logger.Info("Retrying MSSQL connection: attempt=%d/%d, delay=%v", attempt+1, retryAttempts, delay)
+			}
+
+			select {
+			case <-time.After(delay):
+			case <-ctx.Done():
+				return ctx.Err()
+			}
+		}
+
+		// Open database connection
+		db, err = sql.Open("sqlserver", dsn)
+		if err != nil {
+			lastErr = err
+			if cfg.GetEnableLogging() {
+				logger.Warn("Failed to open MSSQL connection", "error", err)
+			}
+			continue
+		}
+
+		// Test the connection with context timeout
+		connectCtx, cancel := context.WithTimeout(ctx, cfg.GetConnectTimeout())
+		err = db.PingContext(connectCtx)
+		cancel()
+
+		if err != nil {
+			lastErr = err
+			db.Close()
+			if cfg.GetEnableLogging() {
+				logger.Warn("Failed to ping MSSQL database", "error", err)
+			}
+			continue
+		}
+
+		// Connection successful
+		break
+	}
+
+	if err != nil {
+		return fmt.Errorf("failed to connect after %d attempts: %w", retryAttempts, lastErr)
+	}
+
+	// Configure connection pool
+	if cfg.GetMaxOpenConns() != nil {
+		db.SetMaxOpenConns(*cfg.GetMaxOpenConns())
+	}
+	if cfg.GetMaxIdleConns() != nil {
+		db.SetMaxIdleConns(*cfg.GetMaxIdleConns())
+	}
+	if cfg.GetConnMaxLifetime() != nil {
+		db.SetConnMaxLifetime(*cfg.GetConnMaxLifetime())
+	}
+	if cfg.GetConnMaxIdleTime() != nil {
+		db.SetConnMaxIdleTime(*cfg.GetConnMaxIdleTime())
+	}
+
+	p.db = db
+	p.config = cfg
+
+	if cfg.GetEnableLogging() {
+		logger.Info("MSSQL connection established: name=%s, host=%s, database=%s", cfg.GetName(), cfg.GetHost(), cfg.GetDatabase())
+	}
+
+	return nil
+}
+
+// Close closes the MSSQL connection
+func (p *MSSQLProvider) Close() error {
+	if p.db == nil {
+		return nil
+	}
+
+	err := p.db.Close()
+	if err != nil {
+		return fmt.Errorf("failed to close MSSQL connection: %w", err)
+	}
+
+	if p.config.GetEnableLogging() {
+		logger.Info("MSSQL connection closed: name=%s", p.config.GetName())
+	}
+
+	p.db = nil
+	return nil
+}
+
+// HealthCheck verifies the MSSQL connection is alive
+func (p *MSSQLProvider) HealthCheck(ctx context.Context) error {
+	if p.db == nil {
+		return fmt.Errorf("database connection is nil")
+	}
+
+	// Use a short timeout for health checks
+	healthCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+
+	if err := p.db.PingContext(healthCtx); err != nil {
+		return fmt.Errorf("health check failed: %w", err)
+	}
+
+	return nil
+}
+
+// GetNative returns the native *sql.DB connection
+func (p *MSSQLProvider) GetNative() (*sql.DB, error) {
+	if p.db == nil {
+		return nil, fmt.Errorf("database connection is not initialized")
+	}
+	return p.db, nil
+}
+
+// GetMongo returns an error for MSSQL (not a MongoDB connection)
+func (p *MSSQLProvider) GetMongo() (*mongo.Client, error) {
+	return nil, ErrNotMongoDB
+}
+
+// Stats returns connection pool statistics
+func (p *MSSQLProvider) Stats() *ConnectionStats {
+	if p.db == nil {
+		return &ConnectionStats{
+			Name:      p.config.GetName(),
+			Type:      "mssql",
+			Connected: false,
+		}
+	}
+
+	stats := p.db.Stats()
+
+	return &ConnectionStats{
+		Name:              p.config.GetName(),
+		Type:              "mssql",
+		Connected:         true,
+		OpenConnections:   stats.OpenConnections,
+		InUse:             stats.InUse,
+		Idle:              stats.Idle,
+		WaitCount:         stats.WaitCount,
+		WaitDuration:      stats.WaitDuration,
+		MaxIdleClosed:     stats.MaxIdleClosed,
+		MaxLifetimeClosed: stats.MaxLifetimeClosed,
+	}
+}
--- a/pkg/dbmanager/providers/postgres.go
+++ b/pkg/dbmanager/providers/postgres.go
@@ -0,0 +1,231 @@
+package providers
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"math"
+	"sync"
+	"time"
+
+	_ "github.com/jackc/pgx/v5/stdlib" // PostgreSQL driver
+	"go.mongodb.org/mongo-driver/mongo"
+
+	"github.com/bitechdev/ResolveSpec/pkg/logger"
+)
+
+// PostgresProvider implements Provider for PostgreSQL databases
+type PostgresProvider struct {
+	db       *sql.DB
+	config   ConnectionConfig
+	listener *PostgresListener
+	mu       sync.Mutex
+}
+
+// NewPostgresProvider creates a new PostgreSQL provider
+func NewPostgresProvider() *PostgresProvider {
+	return &PostgresProvider{}
+}
+
+// Connect establishes a PostgreSQL connection
+func (p *PostgresProvider) Connect(ctx context.Context, cfg ConnectionConfig) error {
+	// Build DSN
+	dsn, err := cfg.BuildDSN()
+	if err != nil {
+		return fmt.Errorf("failed to build DSN: %w", err)
+	}
+
+	// Connect with retry logic
+	var db *sql.DB
+	var lastErr error
+
+	retryAttempts := 3 // Default retry attempts
+	retryDelay := 1 * time.Second
+
+	for attempt := 0; attempt < retryAttempts; attempt++ {
+		if attempt > 0 {
+			delay := calculateBackoff(attempt, retryDelay, 10*time.Second)
+			if cfg.GetEnableLogging() {
+				logger.Info("Retrying PostgreSQL connection: attempt=%d/%d, delay=%v", attempt+1, retryAttempts, delay)
+			}
+
+			select {
+			case <-time.After(delay):
+			case <-ctx.Done():
+				return ctx.Err()
+			}
+		}
+
+		// Open database connection
+		db, err = sql.Open("pgx", dsn)
+		if err != nil {
+			lastErr = err
+			if cfg.GetEnableLogging() {
+				logger.Warn("Failed to open PostgreSQL connection", "error", err)
+			}
+			continue
+		}
+
+		// Test the connection with context timeout
+		connectCtx, cancel := context.WithTimeout(ctx, cfg.GetConnectTimeout())
+		err = db.PingContext(connectCtx)
+		cancel()
+
+		if err != nil {
+			lastErr = err
+			db.Close()
+			if cfg.GetEnableLogging() {
+				logger.Warn("Failed to ping PostgreSQL database", "error", err)
+			}
+			continue
+		}
+
+		// Connection successful
+		break
+	}
+
+	if err != nil {
+		return fmt.Errorf("failed to connect after %d attempts: %w", retryAttempts, lastErr)
+	}
+
+	// Configure connection pool
+	if cfg.GetMaxOpenConns() != nil {
+		db.SetMaxOpenConns(*cfg.GetMaxOpenConns())
+	}
+	if cfg.GetMaxIdleConns() != nil {
+		db.SetMaxIdleConns(*cfg.GetMaxIdleConns())
+	}
+	if cfg.GetConnMaxLifetime() != nil {
+		db.SetConnMaxLifetime(*cfg.GetConnMaxLifetime())
+	}
+	if cfg.GetConnMaxIdleTime() != nil {
+		db.SetConnMaxIdleTime(*cfg.GetConnMaxIdleTime())
+	}
+
+	p.db = db
+	p.config = cfg
+
+	if cfg.GetEnableLogging() {
+		logger.Info("PostgreSQL connection established: name=%s, host=%s, database=%s", cfg.GetName(), cfg.GetHost(), cfg.GetDatabase())
+	}
+
+	return nil
+}
+
+// Close closes the PostgreSQL connection
+func (p *PostgresProvider) Close() error {
+	// Close listener if it exists
+	p.mu.Lock()
+	if p.listener != nil {
+		if err := p.listener.Close(); err != nil {
+			p.mu.Unlock()
+			return fmt.Errorf("failed to close listener: %w", err)
+		}
+		p.listener = nil
+	}
+	p.mu.Unlock()
+
+	if p.db == nil {
+		return nil
+	}
+
+	err := p.db.Close()
+	if err != nil {
+		return fmt.Errorf("failed to close PostgreSQL connection: %w", err)
+	}
+
+	if p.config.GetEnableLogging() {
+		logger.Info("PostgreSQL connection closed: name=%s", p.config.GetName())
+	}
+
+	p.db = nil
+	return nil
+}
+
+// HealthCheck verifies the PostgreSQL connection is alive
+func (p *PostgresProvider) HealthCheck(ctx context.Context) error {
+	if p.db == nil {
+		return fmt.Errorf("database connection is nil")
+	}
+
+	// Use a short timeout for health checks
+	healthCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+
+	if err := p.db.PingContext(healthCtx); err != nil {
+		return fmt.Errorf("health check failed: %w", err)
+	}
+
+	return nil
+}
+
+// GetNative returns the native *sql.DB connection
+func (p *PostgresProvider) GetNative() (*sql.DB, error) {
+	if p.db == nil {
+		return nil, fmt.Errorf("database connection is not initialized")
+	}
+	return p.db, nil
+}
+
+// GetMongo returns an error for PostgreSQL (not a MongoDB connection)
+func (p *PostgresProvider) GetMongo() (*mongo.Client, error) {
+	return nil, ErrNotMongoDB
+}
+
+// Stats returns connection pool statistics
+func (p *PostgresProvider) Stats() *ConnectionStats {
+	if p.db == nil {
+		return &ConnectionStats{
+			Name:      p.config.GetName(),
+			Type:      "postgres",
+			Connected: false,
+		}
+	}
+
+	stats := p.db.Stats()
+
+	return &ConnectionStats{
+		Name:              p.config.GetName(),
+		Type:              "postgres",
+		Connected:         true,
+		OpenConnections:   stats.OpenConnections,
+		InUse:             stats.InUse,
+		Idle:              stats.Idle,
+		WaitCount:         stats.WaitCount,
+		WaitDuration:      stats.WaitDuration,
+		MaxIdleClosed:     stats.MaxIdleClosed,
+		MaxLifetimeClosed: stats.MaxLifetimeClosed,
+	}
+}
+
+// GetListener returns a PostgreSQL listener for NOTIFY/LISTEN functionality
+// The listener is lazily initialized on first call and reused for subsequent calls
+func (p *PostgresProvider) GetListener(ctx context.Context) (*PostgresListener, error) {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
+	// Return existing listener if already created
+	if p.listener != nil {
+		return p.listener, nil
+	}
+
+	// Create new listener
+	listener := NewPostgresListener(p.config)
+
+	// Connect the listener
+	if err := listener.Connect(ctx); err != nil {
+		return nil, fmt.Errorf("failed to connect listener: %w", err)
+	}
+
+	p.listener = listener
+	return p.listener, nil
+}
+
+// calculateBackoff calculates exponential backoff delay
+func calculateBackoff(attempt int, initial, maxDelay time.Duration) time.Duration {
+	delay := initial * time.Duration(math.Pow(2, float64(attempt)))
+	if delay > maxDelay {
+		delay = maxDelay
+	}
+	return delay
+}
--- a/pkg/dbmanager/providers/postgres_listener.go
+++ b/pkg/dbmanager/providers/postgres_listener.go
@@ -0,0 +1,401 @@
+package providers
+
+import (
+	"context"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+
+	"github.com/bitechdev/ResolveSpec/pkg/logger"
+)
+
+// NotificationHandler is called when a notification is received
+type NotificationHandler func(channel string, payload string)
+
+// PostgresListener manages PostgreSQL LISTEN/NOTIFY functionality
+type PostgresListener struct {
+	config ConnectionConfig
+	conn   *pgx.Conn
+
+	// Channel subscriptions
+	channels map[string]NotificationHandler
+	mu       sync.RWMutex
+
+	// Lifecycle management
+	ctx        context.Context
+	cancel     context.CancelFunc
+	closed     bool
+	closeMu    sync.Mutex
+	reconnectC chan struct{}
+}
+
+// NewPostgresListener creates a new PostgreSQL listener
+func NewPostgresListener(cfg ConnectionConfig) *PostgresListener {
+	ctx, cancel := context.WithCancel(context.Background())
+	return &PostgresListener{
+		config:     cfg,
+		channels:   make(map[string]NotificationHandler),
+		ctx:        ctx,
+		cancel:     cancel,
+		reconnectC: make(chan struct{}, 1),
+	}
+}
+
+// Connect establishes a dedicated connection for listening
+func (l *PostgresListener) Connect(ctx context.Context) error {
+	dsn, err := l.config.BuildDSN()
+	if err != nil {
+		return fmt.Errorf("failed to build DSN: %w", err)
+	}
+
+	// Parse connection config
+	connConfig, err := pgx.ParseConfig(dsn)
+	if err != nil {
+		return fmt.Errorf("failed to parse connection config: %w", err)
+	}
+
+	// Connect with retry logic
+	var conn *pgx.Conn
+	var lastErr error
+
+	retryAttempts := 3
+	retryDelay := 1 * time.Second
+
+	for attempt := 0; attempt < retryAttempts; attempt++ {
+		if attempt > 0 {
+			delay := calculateBackoff(attempt, retryDelay, 10*time.Second)
+			if l.config.GetEnableLogging() {
+				logger.Info("Retrying PostgreSQL listener connection: attempt=%d/%d, delay=%v", attempt+1, retryAttempts, delay)
+			}
+
+			select {
+			case <-time.After(delay):
+			case <-ctx.Done():
+				return ctx.Err()
+			}
+		}
+
+		conn, err = pgx.ConnectConfig(ctx, connConfig)
+		if err != nil {
+			lastErr = err
+			if l.config.GetEnableLogging() {
+				logger.Warn("Failed to connect PostgreSQL listener", "error", err)
+			}
+			continue
+		}
+
+		// Test the connection
+		if err = conn.Ping(ctx); err != nil {
+			lastErr = err
+			conn.Close(ctx)
+			if l.config.GetEnableLogging() {
+				logger.Warn("Failed to ping PostgreSQL listener", "error", err)
+			}
+			continue
+		}
+
+		// Connection successful
+		break
+	}
+
+	if err != nil {
+		return fmt.Errorf("failed to connect listener after %d attempts: %w", retryAttempts, lastErr)
+	}
+
+	l.mu.Lock()
+	l.conn = conn
+	l.mu.Unlock()
+
+	// Start notification handler
+	go l.handleNotifications()
+
+	// Start reconnection handler
+	go l.handleReconnection()
+
+	if l.config.GetEnableLogging() {
+		logger.Info("PostgreSQL listener connected: name=%s", l.config.GetName())
+	}
+
+	return nil
+}
+
+// Listen subscribes to a PostgreSQL notification channel
+func (l *PostgresListener) Listen(channel string, handler NotificationHandler) error {
+	l.closeMu.Lock()
+	if l.closed {
+		l.closeMu.Unlock()
+		return fmt.Errorf("listener is closed")
+	}
+	l.closeMu.Unlock()
+
+	l.mu.Lock()
+	defer l.mu.Unlock()
+
+	if l.conn == nil {
+		return fmt.Errorf("listener connection is not initialized")
+	}
+
+	// Execute LISTEN command
+	_, err := l.conn.Exec(l.ctx, fmt.Sprintf("LISTEN %s", pgx.Identifier{channel}.Sanitize()))
+	if err != nil {
+		return fmt.Errorf("failed to listen on channel %s: %w", channel, err)
+	}
+
+	// Store the handler
+	l.channels[channel] = handler
+
+	if l.config.GetEnableLogging() {
+		logger.Info("Listening on channel: name=%s, channel=%s", l.config.GetName(), channel)
+	}
+
+	return nil
+}
+
+// Unlisten unsubscribes from a PostgreSQL notification channel
+func (l *PostgresListener) Unlisten(channel string) error {
+	l.closeMu.Lock()
+	if l.closed {
+		l.closeMu.Unlock()
+		return fmt.Errorf("listener is closed")
+	}
+	l.closeMu.Unlock()
+
+	l.mu.Lock()
+	defer l.mu.Unlock()
+
+	if l.conn == nil {
+		return fmt.Errorf("listener connection is not initialized")
+	}
+
+	// Execute UNLISTEN command
+	_, err := l.conn.Exec(l.ctx, fmt.Sprintf("UNLISTEN %s", pgx.Identifier{channel}.Sanitize()))
+	if err != nil {
+		return fmt.Errorf("failed to unlisten from channel %s: %w", channel, err)
+	}
+
+	// Remove the handler
+	delete(l.channels, channel)
+
+	if l.config.GetEnableLogging() {
+		logger.Info("Unlistened from channel: name=%s, channel=%s", l.config.GetName(), channel)
+	}
+
+	return nil
+}
+
+// Notify sends a notification to a PostgreSQL channel
+func (l *PostgresListener) Notify(ctx context.Context, channel string, payload string) error {
+	l.closeMu.Lock()
+	if l.closed {
+		l.closeMu.Unlock()
+		return fmt.Errorf("listener is closed")
+	}
+	l.closeMu.Unlock()
+
+	l.mu.RLock()
+	conn := l.conn
+	l.mu.RUnlock()
+
+	if conn == nil {
+		return fmt.Errorf("listener connection is not initialized")
+	}
+
+	// Execute NOTIFY command
+	_, err := conn.Exec(ctx, "SELECT pg_notify($1, $2)", channel, payload)
+	if err != nil {
+		return fmt.Errorf("failed to notify channel %s: %w", channel, err)
+	}
+
+	return nil
+}
+
+// Close closes the listener and all subscriptions
+func (l *PostgresListener) Close() error {
+	l.closeMu.Lock()
+	if l.closed {
+		l.closeMu.Unlock()
+		return nil
+	}
+	l.closed = true
+	l.closeMu.Unlock()
+
+	// Cancel context to stop background goroutines
+	l.cancel()
+
+	l.mu.Lock()
+	defer l.mu.Unlock()
+
+	if l.conn == nil {
+		return nil
+	}
+
+	// Unlisten from all channels
+	for channel := range l.channels {
+		_, _ = l.conn.Exec(context.Background(), fmt.Sprintf("UNLISTEN %s", pgx.Identifier{channel}.Sanitize()))
+	}
+
+	// Close connection
+	err := l.conn.Close(context.Background())
+	if err != nil {
+		return fmt.Errorf("failed to close listener connection: %w", err)
+	}
+
+	l.conn = nil
+	l.channels = make(map[string]NotificationHandler)
+
+	if l.config.GetEnableLogging() {
+		logger.Info("PostgreSQL listener closed: name=%s", l.config.GetName())
+	}
+
+	return nil
+}
+
+// handleNotifications processes incoming notifications
+func (l *PostgresListener) handleNotifications() {
+	for {
+		select {
+		case <-l.ctx.Done():
+			return
+		default:
+		}
+
+		l.mu.RLock()
+		conn := l.conn
+		l.mu.RUnlock()
+
+		if conn == nil {
+			// Connection not available, wait for reconnection
+			time.Sleep(100 * time.Millisecond)
+			continue
+		}
+
+		// Wait for notification with timeout
+		ctx, cancel := context.WithTimeout(l.ctx, 5*time.Second)
+		notification, err := conn.WaitForNotification(ctx)
+		cancel()
+
+		if err != nil {
+			// Check if context was cancelled
+			if l.ctx.Err() != nil {
+				return
+			}
+
+			// Check if it's a connection error
+			if pgconn.Timeout(err) {
+				// Timeout is normal, continue waiting
+				continue
+			}
+
+			// Connection error, trigger reconnection
+			if l.config.GetEnableLogging() {
+				logger.Warn("Notification error, triggering reconnection", "error", err)
+			}
+			select {
+			case l.reconnectC <- struct{}{}:
+			default:
+			}
+			time.Sleep(1 * time.Second)
+			continue
+		}
+
+		// Process notification
+		l.mu.RLock()
+		handler, exists := l.channels[notification.Channel]
+		l.mu.RUnlock()
+
+		if exists && handler != nil {
+			// Call handler in a goroutine to avoid blocking
+			go func(ch, payload string) {
+				defer func() {
+					if r := recover(); r != nil {
+						if l.config.GetEnableLogging() {
+							logger.Error("Notification handler panic: channel=%s, error=%v", ch, r)
+						}
+					}
+				}()
+				handler(ch, payload)
+			}(notification.Channel, notification.Payload)
+		}
+	}
+}
+
+// handleReconnection manages automatic reconnection
+func (l *PostgresListener) handleReconnection() {
+	for {
+		select {
+		case <-l.ctx.Done():
+			return
+		case <-l.reconnectC:
+			if l.config.GetEnableLogging() {
+				logger.Info("Attempting to reconnect listener: name=%s", l.config.GetName())
+			}
+
+			// Close existing connection
+			l.mu.Lock()
+			if l.conn != nil {
+				l.conn.Close(context.Background())
+				l.conn = nil
+			}
+
+			// Save current subscriptions
+			channels := make(map[string]NotificationHandler)
+			for ch, handler := range l.channels {
+				channels[ch] = handler
+			}
+			l.mu.Unlock()
+
+			// Attempt reconnection
+			ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+			err := l.Connect(ctx)
+			cancel()
+
+			if err != nil {
+				if l.config.GetEnableLogging() {
+					logger.Error("Failed to reconnect listener: name=%s, error=%v", l.config.GetName(), err)
+				}
+				// Retry after delay
+				time.Sleep(5 * time.Second)
+				select {
+				case l.reconnectC <- struct{}{}:
+				default:
+				}
+				continue
+			}
+
+			// Resubscribe to all channels
+			for channel, handler := range channels {
+				if err := l.Listen(channel, handler); err != nil {
+					if l.config.GetEnableLogging() {
+						logger.Error("Failed to resubscribe to channel: name=%s, channel=%s, error=%v", l.config.GetName(), channel, err)
+					}
+				}
+			}
+
+			if l.config.GetEnableLogging() {
+				logger.Info("Listener reconnected successfully: name=%s", l.config.GetName())
+			}
+		}
+	}
+}
+
+// IsConnected returns true if the listener is connected
+func (l *PostgresListener) IsConnected() bool {
+	l.mu.RLock()
+	defer l.mu.RUnlock()
+	return l.conn != nil
+}
+
+// Channels returns the list of channels currently being listened to
+func (l *PostgresListener) Channels() []string {
+	l.mu.RLock()
+	defer l.mu.RUnlock()
+
+	channels := make([]string, 0, len(l.channels))
+	for ch := range l.channels {
+		channels = append(channels, ch)
+	}
+	return channels
+}
--- a/pkg/dbmanager/providers/postgres_listener_example_test.go
+++ b/pkg/dbmanager/providers/postgres_listener_example_test.go
@@ -0,0 +1,228 @@
+package providers_test
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/bitechdev/ResolveSpec/pkg/dbmanager"
+	"github.com/bitechdev/ResolveSpec/pkg/dbmanager/providers"
+)
+
+// ExamplePostgresListener_basic demonstrates basic LISTEN/NOTIFY usage
+func ExamplePostgresListener_basic() {
+	// Create a connection config
+	cfg := &dbmanager.ConnectionConfig{
+		Name:           "example",
+		Type:           dbmanager.DatabaseTypePostgreSQL,
+		Host:           "localhost",
+		Port:           5432,
+		User:           "postgres",
+		Password:       "password",
+		Database:       "testdb",
+		ConnectTimeout: 10 * time.Second,
+		EnableLogging:  true,
+	}
+
+	// Create and connect PostgreSQL provider
+	provider := providers.NewPostgresProvider()
+	ctx := context.Background()
+
+	if err := provider.Connect(ctx, cfg); err != nil {
+		panic(fmt.Sprintf("Failed to connect: %v", err))
+	}
+	defer provider.Close()
+
+	// Get listener
+	listener, err := provider.GetListener(ctx)
+	if err != nil {
+		panic(fmt.Sprintf("Failed to get listener: %v", err))
+	}
+
+	// Subscribe to a channel with a handler
+	err = listener.Listen("user_events", func(channel, payload string) {
+		fmt.Printf("Received notification on %s: %s\n", channel, payload)
+	})
+	if err != nil {
+		panic(fmt.Sprintf("Failed to listen: %v", err))
+	}
+
+	// Send a notification
+	err = listener.Notify(ctx, "user_events", `{"event":"user_created","user_id":123}`)
+	if err != nil {
+		panic(fmt.Sprintf("Failed to notify: %v", err))
+	}
+
+	// Wait for notification to be processed
+	time.Sleep(100 * time.Millisecond)
+
+	// Unsubscribe from the channel
+	if err := listener.Unlisten("user_events"); err != nil {
+		panic(fmt.Sprintf("Failed to unlisten: %v", err))
+	}
+}
+
+// ExamplePostgresListener_multipleChannels demonstrates listening to multiple channels
+func ExamplePostgresListener_multipleChannels() {
+	cfg := &dbmanager.ConnectionConfig{
+		Name:           "example",
+		Type:           dbmanager.DatabaseTypePostgreSQL,
+		Host:           "localhost",
+		Port:           5432,
+		User:           "postgres",
+		Password:       "password",
+		Database:       "testdb",
+		ConnectTimeout: 10 * time.Second,
+		EnableLogging:  false,
+	}
+
+	provider := providers.NewPostgresProvider()
+	ctx := context.Background()
+
+	if err := provider.Connect(ctx, cfg); err != nil {
+		panic(fmt.Sprintf("Failed to connect: %v", err))
+	}
+	defer provider.Close()
+
+	listener, err := provider.GetListener(ctx)
+	if err != nil {
+		panic(fmt.Sprintf("Failed to get listener: %v", err))
+	}
+
+	// Listen to multiple channels
+	channels := []string{"orders", "payments", "notifications"}
+	for _, ch := range channels {
+		channel := ch // Capture for closure
+		err := listener.Listen(channel, func(ch, payload string) {
+			fmt.Printf("[%s] %s\n", ch, payload)
+		})
+		if err != nil {
+			panic(fmt.Sprintf("Failed to listen on %s: %v", channel, err))
+		}
+	}
+
+	// Send notifications to different channels
+	listener.Notify(ctx, "orders", "New order #12345")
+	listener.Notify(ctx, "payments", "Payment received $99.99")
+	listener.Notify(ctx, "notifications", "Welcome email sent")
+
+	// Wait for notifications
+	time.Sleep(200 * time.Millisecond)
+
+	// Check active channels
+	activeChannels := listener.Channels()
+	fmt.Printf("Listening to %d channels: %v\n", len(activeChannels), activeChannels)
+}
+
+// ExamplePostgresListener_withDBManager demonstrates usage with DBManager
+func ExamplePostgresListener_withDBManager() {
+	// This example shows how to use the listener with the full DBManager
+
+	// Assume we have a DBManager instance and get a connection
+	// conn, _ := dbMgr.Get("primary")
+
+	// Get the underlying provider (this would need to be exposed via the Connection interface)
+	// For now, this is a conceptual example
+
+	ctx := context.Background()
+
+	// Create provider directly for demonstration
+	cfg := &dbmanager.ConnectionConfig{
+		Name:           "primary",
+		Type:           dbmanager.DatabaseTypePostgreSQL,
+		Host:           "localhost",
+		Port:           5432,
+		User:           "postgres",
+		Password:       "password",
+		Database:       "myapp",
+		ConnectTimeout: 10 * time.Second,
+	}
+
+	provider := providers.NewPostgresProvider()
+	if err := provider.Connect(ctx, cfg); err != nil {
+		panic(err)
+	}
+	defer provider.Close()
+
+	// Get listener
+	listener, err := provider.GetListener(ctx)
+	if err != nil {
+		panic(err)
+	}
+
+	// Subscribe to application events
+	listener.Listen("cache_invalidation", func(channel, payload string) {
+		fmt.Printf("Cache invalidation request: %s\n", payload)
+		// Handle cache invalidation logic here
+	})
+
+	listener.Listen("config_reload", func(channel, payload string) {
+		fmt.Printf("Configuration reload request: %s\n", payload)
+		// Handle configuration reload logic here
+	})
+
+	// Simulate receiving notifications
+	listener.Notify(ctx, "cache_invalidation", "user:123")
+	listener.Notify(ctx, "config_reload", "database")
+
+	time.Sleep(100 * time.Millisecond)
+}
+
+// ExamplePostgresListener_errorHandling demonstrates error handling and reconnection
+func ExamplePostgresListener_errorHandling() {
+	cfg := &dbmanager.ConnectionConfig{
+		Name:           "example",
+		Type:           dbmanager.DatabaseTypePostgreSQL,
+		Host:           "localhost",
+		Port:           5432,
+		User:           "postgres",
+		Password:       "password",
+		Database:       "testdb",
+		ConnectTimeout: 10 * time.Second,
+		EnableLogging:  true,
+	}
+
+	provider := providers.NewPostgresProvider()
+	ctx := context.Background()
+
+	if err := provider.Connect(ctx, cfg); err != nil {
+		panic(fmt.Sprintf("Failed to connect: %v", err))
+	}
+	defer provider.Close()
+
+	listener, err := provider.GetListener(ctx)
+	if err != nil {
+		panic(fmt.Sprintf("Failed to get listener: %v", err))
+	}
+
+	// The listener automatically reconnects if the connection is lost
+	// Subscribe with error handling in the callback
+	err = listener.Listen("critical_events", func(channel, payload string) {
+		defer func() {
+			if r := recover(); r != nil {
+				fmt.Printf("Handler panic recovered: %v\n", r)
+			}
+		}()
+
+		// Process the event
+		fmt.Printf("Processing critical event: %s\n", payload)
+
+		// If processing fails, the panic will be caught by the defer above
+		// The listener will continue to function normally
+	})
+
+	if err != nil {
+		fmt.Printf("Failed to listen: %v\n", err)
+		return
+	}
+
+	// Check if listener is connected
+	if listener.IsConnected() {
+		fmt.Println("Listener is connected and ready")
+	}
+
+	// Send a notification
+	listener.Notify(ctx, "critical_events", "system_alert")
+
+	time.Sleep(100 * time.Millisecond)
+}
--- a/pkg/dbmanager/providers/provider.go
+++ b/pkg/dbmanager/providers/provider.go
@@ -0,0 +1,83 @@
+package providers
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"time"
+
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+// Common errors
+var (
+	// ErrNotSQLDatabase is returned when attempting SQL operations on a non-SQL database
+	ErrNotSQLDatabase = errors.New("not a SQL database")
+
+	// ErrNotMongoDB is returned when attempting MongoDB operations on a non-MongoDB connection
+	ErrNotMongoDB = errors.New("not a MongoDB connection")
+)
+
+// ConnectionStats contains statistics about a database connection
+type ConnectionStats struct {
+	Name              string
+	Type              string // Database type as string to avoid circular dependency
+	Connected         bool
+	LastHealthCheck   time.Time
+	HealthCheckStatus string
+
+	// SQL connection pool stats
+	OpenConnections   int
+	InUse             int
+	Idle              int
+	WaitCount         int64
+	WaitDuration      time.Duration
+	MaxIdleClosed     int64
+	MaxLifetimeClosed int64
+}
+
+// ConnectionConfig is a minimal interface for configuration
+// The actual implementation is in dbmanager package
+type ConnectionConfig interface {
+	BuildDSN() (string, error)
+	GetName() string
+	GetType() string
+	GetHost() string
+	GetPort() int
+	GetUser() string
+	GetPassword() string
+	GetDatabase() string
+	GetFilePath() string
+	GetConnectTimeout() time.Duration
+	GetQueryTimeout() time.Duration
+	GetEnableLogging() bool
+	GetEnableMetrics() bool
+	GetMaxOpenConns() *int
+	GetMaxIdleConns() *int
+	GetConnMaxLifetime() *time.Duration
+	GetConnMaxIdleTime() *time.Duration
+	GetReadPreference() string
+}
+
+// Provider creates and manages the underlying database connection
+type Provider interface {
+	// Connect establishes the database connection
+	Connect(ctx context.Context, cfg ConnectionConfig) error
+
+	// Close closes the connection
+	Close() error
+
+	// HealthCheck verifies the connection is alive
+	HealthCheck(ctx context.Context) error
+
+	// GetNative returns the native *sql.DB (SQL databases only)
+	// Returns an error for non-SQL databases
+	GetNative() (*sql.DB, error)
+
+	// GetMongo returns the MongoDB client (MongoDB only)
+	// Returns an error for non-MongoDB databases
+	GetMongo() (*mongo.Client, error)
+
+	// Stats returns connection statistics
+	Stats() *ConnectionStats
+}
--- a/pkg/dbmanager/providers/sqlite.go
+++ b/pkg/dbmanager/providers/sqlite.go
@@ -0,0 +1,177 @@
+package providers
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"time"
+
+	_ "github.com/glebarez/sqlite" // Pure Go SQLite driver
+	"go.mongodb.org/mongo-driver/mongo"
+
+	"github.com/bitechdev/ResolveSpec/pkg/logger"
+)
+
+// SQLiteProvider implements Provider for SQLite databases
+type SQLiteProvider struct {
+	db     *sql.DB
+	config ConnectionConfig
+}
+
+// NewSQLiteProvider creates a new SQLite provider
+func NewSQLiteProvider() *SQLiteProvider {
+	return &SQLiteProvider{}
+}
+
+// Connect establishes a SQLite connection
+func (p *SQLiteProvider) Connect(ctx context.Context, cfg ConnectionConfig) error {
+	// Build DSN
+	dsn, err := cfg.BuildDSN()
+	if err != nil {
+		return fmt.Errorf("failed to build DSN: %w", err)
+	}
+
+	// Open database connection
+	db, err := sql.Open("sqlite", dsn)
+	if err != nil {
+		return fmt.Errorf("failed to open SQLite connection: %w", err)
+	}
+
+	// Test the connection with context timeout
+	connectCtx, cancel := context.WithTimeout(ctx, cfg.GetConnectTimeout())
+	err = db.PingContext(connectCtx)
+	cancel()
+
+	if err != nil {
+		db.Close()
+		return fmt.Errorf("failed to ping SQLite database: %w", err)
+	}
+
+	// Configure connection pool
+	// Note: SQLite works best with MaxOpenConns=1 for write operations
+	// but can handle multiple readers
+	if cfg.GetMaxOpenConns() != nil {
+		db.SetMaxOpenConns(*cfg.GetMaxOpenConns())
+	} else {
+		// Default to 1 for SQLite to avoid "database is locked" errors
+		db.SetMaxOpenConns(1)
+	}
+
+	if cfg.GetMaxIdleConns() != nil {
+		db.SetMaxIdleConns(*cfg.GetMaxIdleConns())
+	}
+	if cfg.GetConnMaxLifetime() != nil {
+		db.SetConnMaxLifetime(*cfg.GetConnMaxLifetime())
+	}
+	if cfg.GetConnMaxIdleTime() != nil {
+		db.SetConnMaxIdleTime(*cfg.GetConnMaxIdleTime())
+	}
+
+	// Enable WAL mode for better concurrent access
+	_, err = db.ExecContext(ctx, "PRAGMA journal_mode=WAL")
+	if err != nil {
+		if cfg.GetEnableLogging() {
+			logger.Warn("Failed to enable WAL mode for SQLite", "error", err)
+		}
+		// Don't fail connection if WAL mode cannot be enabled
+	}
+
+	// Set busy timeout to handle locked database
+	_, err = db.ExecContext(ctx, "PRAGMA busy_timeout=5000")
+	if err != nil {
+		if cfg.GetEnableLogging() {
+			logger.Warn("Failed to set busy timeout for SQLite", "error", err)
+		}
+	}
+
+	p.db = db
+	p.config = cfg
+
+	if cfg.GetEnableLogging() {
+		logger.Info("SQLite connection established: name=%s, filepath=%s", cfg.GetName(), cfg.GetFilePath())
+	}
+
+	return nil
+}
+
+// Close closes the SQLite connection
+func (p *SQLiteProvider) Close() error {
+	if p.db == nil {
+		return nil
+	}
+
+	err := p.db.Close()
+	if err != nil {
+		return fmt.Errorf("failed to close SQLite connection: %w", err)
+	}
+
+	if p.config.GetEnableLogging() {
+		logger.Info("SQLite connection closed: name=%s", p.config.GetName())
+	}
+
+	p.db = nil
+	return nil
+}
+
+// HealthCheck verifies the SQLite connection is alive
+func (p *SQLiteProvider) HealthCheck(ctx context.Context) error {
+	if p.db == nil {
+		return fmt.Errorf("database connection is nil")
+	}
+
+	// Use a short timeout for health checks
+	healthCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+
+	// Execute a simple query to verify the database is accessible
+	var result int
+	err := p.db.QueryRowContext(healthCtx, "SELECT 1").Scan(&result)
+	if err != nil {
+		return fmt.Errorf("health check failed: %w", err)
+	}
+
+	if result != 1 {
+		return fmt.Errorf("health check returned unexpected result: %d", result)
+	}
+
+	return nil
+}
+
+// GetNative returns the native *sql.DB connection
+func (p *SQLiteProvider) GetNative() (*sql.DB, error) {
+	if p.db == nil {
+		return nil, fmt.Errorf("database connection is not initialized")
+	}
+	return p.db, nil
+}
+
+// GetMongo returns an error for SQLite (not a MongoDB connection)
+func (p *SQLiteProvider) GetMongo() (*mongo.Client, error) {
+	return nil, ErrNotMongoDB
+}
+
+// Stats returns connection pool statistics
+func (p *SQLiteProvider) Stats() *ConnectionStats {
+	if p.db == nil {
+		return &ConnectionStats{
+			Name:      p.config.GetName(),
+			Type:      "sqlite",
+			Connected: false,
+		}
+	}
+
+	stats := p.db.Stats()
+
+	return &ConnectionStats{
+		Name:              p.config.GetName(),
+		Type:              "sqlite",
+		Connected:         true,
+		OpenConnections:   stats.OpenConnections,
+		InUse:             stats.InUse,
+		Idle:              stats.Idle,
+		WaitCount:         stats.WaitCount,
+		WaitDuration:      stats.WaitDuration,
+		MaxIdleClosed:     stats.MaxIdleClosed,
+		MaxLifetimeClosed: stats.MaxLifetimeClosed,
+	}
+}
--- a/pkg/metrics/README.md
+++ b/pkg/metrics/README.md
@@ -53,6 +53,24 @@ metrics.SetProvider(provider)

 **Default DB Query Buckets:** `[0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5]`

+### Pushgateway Configuration (Optional)
+
+For batch jobs, cron tasks, or short-lived processes, you can push metrics to Prometheus Pushgateway:
+
+| Field | Type | Default | Description |
+|-------|------|---------|-------------|
+| `PushgatewayURL` | `string` | `""` | URL of Pushgateway (e.g., "http://pushgateway:9091") |
+| `PushgatewayJobName` | `string` | `"resolvespec"` | Job name for pushed metrics |
+| `PushgatewayInterval` | `int` | `0` | Auto-push interval in seconds (0 = disabled) |
+
+```go
+config := &metrics.Config{
+    PushgatewayURL:      "http://pushgateway:9091",
+    PushgatewayJobName:  "batch-job",
+    PushgatewayInterval: 30, // Push every 30 seconds
+}
+```
+
 ## Provider Interface

 The package uses a provider interface, allowing you to plug in different metric systems:
@@ -188,6 +206,122 @@ func (c *CustomProvider) Handler() http.Handler {
 metrics.SetProvider(&CustomProvider{})
 ```

+## Pushgateway Usage
+
+### Automatic Push (Batch Jobs)
+
+For jobs that run periodically, use automatic pushing:
+
+```go
+package main
+
+import (
+    "time"
+
+    "github.com/bitechdev/ResolveSpec/pkg/metrics"
+)
+
+func main() {
+    // Configure with automatic pushing every 30 seconds
+    config := &metrics.Config{
+        Enabled:             true,
+        Provider:            "prometheus",
+        Namespace:           "batch_job",
+        PushgatewayURL:      "http://pushgateway:9091",
+        PushgatewayJobName:  "data-processor",
+        PushgatewayInterval: 30, // Push every 30 seconds
+    }
+
+    provider := metrics.NewPrometheusProvider(config)
+    metrics.SetProvider(provider)
+
+    // Ensure cleanup on exit
+    defer provider.StopAutoPush()
+
+    // Your batch job logic here
+    processBatchData()
+}
+```
+
+### Manual Push (Short-lived Processes)
+
+For one-time jobs or when you want manual control:
+
+```go
+package main
+
+import (
+    "log"
+
+    "github.com/bitechdev/ResolveSpec/pkg/metrics"
+)
+
+func main() {
+    // Configure without automatic pushing
+    config := &metrics.Config{
+        Enabled:            true,
+        Provider:           "prometheus",
+        PushgatewayURL:     "http://pushgateway:9091",
+        PushgatewayJobName: "migration-job",
+        // PushgatewayInterval: 0 (default - no auto-push)
+    }
+
+    provider := metrics.NewPrometheusProvider(config)
+    metrics.SetProvider(provider)
+
+    // Run your job
+    err := runMigration()
+
+    // Push metrics at the end
+    if pushErr := provider.Push(); pushErr != nil {
+        log.Printf("Failed to push metrics: %v", pushErr)
+    }
+
+    if err != nil {
+        log.Fatal(err)
+    }
+}
+```
+
+### Docker Compose with Pushgateway
+
+```yaml
+version: '3'
+services:
+  batch-job:
+    build: .
+    environment:
+      PUSHGATEWAY_URL: "http://pushgateway:9091"
+
+  pushgateway:
+    image: prom/pushgateway
+    ports:
+      - "9091:9091"
+
+  prometheus:
+    image: prom/prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+```
+
+**prometheus.yml for Pushgateway:**
+
+```yaml
+global:
+  scrape_interval: 15s
+
+scrape_configs:
+  # Scrape the pushgateway
+  - job_name: 'pushgateway'
+    honor_labels: true  # Important: preserve job labels from pushed metrics
+    static_configs:
+      - targets: ['pushgateway:9091']
+```
+
 ## Complete Example

 ### Basic Usage
@@ -337,3 +471,8 @@ scrape_configs:
 4. **Performance**: Metrics collection is lock-free and highly performant
   - Safe for high-throughput applications
   - Minimal overhead (<1% in most cases)
+
+5. **Pull vs Push**:
+   - **Use Pull (default)**: Long-running services, web servers, microservices
+   - **Use Push (Pushgateway)**: Batch jobs, cron tasks, short-lived processes, serverless functions
+   - Pull is preferred for most applications as it allows Prometheus to detect if your service is down
--- a/pkg/metrics/config.go
+++ b/pkg/metrics/config.go
@@ -18,6 +18,20 @@ type Config struct {
 	// DBQueryBuckets defines histogram buckets for database query duration (in seconds)
 	// Default: [0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5]
 	DBQueryBuckets []float64 `mapstructure:"db_query_buckets"`
+
+	// PushgatewayURL is the URL of the Prometheus Pushgateway (optional)
+	// If set, metrics will be pushed to this gateway instead of only being scraped
+	// Example: "http://pushgateway:9091"
+	PushgatewayURL string `mapstructure:"pushgateway_url"`
+
+	// PushgatewayJobName is the job name to use when pushing metrics to Pushgateway
+	// Default: "resolvespec"
+	PushgatewayJobName string `mapstructure:"pushgateway_job_name"`
+
+	// PushgatewayInterval is the interval at which to push metrics to Pushgateway
+	// Only used if PushgatewayURL is set. If 0, automatic pushing is disabled.
+	// Default: 0 (no automatic pushing)
+	PushgatewayInterval int `mapstructure:"pushgateway_interval"`
 }

 // DefaultConfig returns a Config with sensible defaults
@@ -43,4 +57,8 @@ func (c *Config) ApplyDefaults() {
 	if len(c.DBQueryBuckets) == 0 {
 		c.DBQueryBuckets = []float64{0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5}
 	}
+	// Set default job name if pushgateway is configured but job name is empty
+	if c.PushgatewayURL != "" && c.PushgatewayJobName == "" {
+		c.PushgatewayJobName = "resolvespec"
+	}
 }
--- a/pkg/metrics/prometheus.go
+++ b/pkg/metrics/prometheus.go
@@ -8,6 +8,7 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"github.com/prometheus/client_golang/prometheus/push"
 )

 // PrometheusProvider implements the Provider interface using Prometheus
@@ -25,6 +26,13 @@ type PrometheusProvider struct {
 	eventDuration    *prometheus.HistogramVec
 	eventQueueSize   prometheus.Gauge
 	panicsTotal      *prometheus.CounterVec
+
+	// Pushgateway fields (optional)
+	pushgatewayURL     string
+	pushgatewayJobName string
+	pusher             *push.Pusher
+	pushTicker         *time.Ticker
+	pushStop           chan bool
 }

 // NewPrometheusProvider creates a new Prometheus metrics provider
@@ -46,7 +54,7 @@ func NewPrometheusProvider(cfg *Config) *PrometheusProvider {
 		return name
 	}

-	return &PrometheusProvider{
+	p := &PrometheusProvider{
 		requestDuration: promauto.NewHistogramVec(
 			prometheus.HistogramOpts{
 				Name:    metricName("http_request_duration_seconds"),
@@ -140,7 +148,25 @@ func NewPrometheusProvider(cfg *Config) *PrometheusProvider {
 			},
 			[]string{"method"},
 		),
+
+		pushgatewayURL:     cfg.PushgatewayURL,
+		pushgatewayJobName: cfg.PushgatewayJobName,
 	}
+
+	// Initialize pushgateway if configured
+	if cfg.PushgatewayURL != "" {
+		p.pusher = push.New(cfg.PushgatewayURL, cfg.PushgatewayJobName).
+			Gatherer(prometheus.DefaultGatherer)
+
+		// Start automatic pushing if interval is configured
+		if cfg.PushgatewayInterval > 0 {
+			p.pushStop = make(chan bool)
+			p.pushTicker = time.NewTicker(time.Duration(cfg.PushgatewayInterval) * time.Second)
+			go p.startAutoPush()
+		}
+	}
+
+	return p
 }

 // ResponseWriter wraps http.ResponseWriter to capture status code
@@ -250,3 +276,37 @@ func (p *PrometheusProvider) Middleware(next http.Handler) http.Handler {
 		p.RecordHTTPRequest(r.Method, r.URL.Path, status, duration)
 	})
 }
+
+// Push manually pushes metrics to the configured Pushgateway
+// Returns an error if pushing fails or if Pushgateway is not configured
+func (p *PrometheusProvider) Push() error {
+	if p.pusher == nil {
+		return nil // Pushgateway not configured, silently skip
+	}
+	return p.pusher.Push()
+}
+
+// startAutoPush runs in a goroutine and periodically pushes metrics to Pushgateway
+func (p *PrometheusProvider) startAutoPush() {
+	for {
+		select {
+		case <-p.pushTicker.C:
+			if err := p.Push(); err != nil {
+				// Log error but continue pushing
+				// Note: In production, you might want to use a proper logger
+				_ = err
+			}
+		case <-p.pushStop:
+			p.pushTicker.Stop()
+			return
+		}
+	}
+}
+
+// StopAutoPush stops the automatic push goroutine
+// This should be called when shutting down the application
+func (p *PrometheusProvider) StopAutoPush() {
+	if p.pushStop != nil {
+		close(p.pushStop)
+	}
+}
Author	SHA1	Message	Date
Hein	4ee6ef0955	chore: 🙈 update git ignore	2026-01-02 16:20:56 +02:00
Hein	6f05f15ff6	feat(dbmanager): ✨ Database connection Manager	2026-01-02 16:19:33 +02:00
Hein	443a672fcb	feat(packages): ✨ Prometheus publish events	2026-01-02 13:48:31 +02:00