feat(ci): add Docker image build and release workflow

* Implement GitHub Actions workflow for Docker image build and release
* Validate release tags and manage Docker login credentials
* Build and push Docker images with versioning and metadata
* Add docker-build target to Makefile for local image building

.github/workflows/docker-release.yml

@@ -0,0 +1,74 @@
+name: Build & Release Docker Image
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Existing tag to release (e.g. v0.1.0)'
+        required: true
+        type: string
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    env:
+      IMAGE: git.warky.dev/wdevs/pgsql-broker
+      TAG: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref_name }}
+    steps:
+      - name: Validate release tag
+        run: |
+          case "$TAG" in
+            v*) ;;
+            *) echo "Release tags must start with v (received: $TAG)" >&2; exit 1 ;;
+          esac
+
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref }}
+
+      - uses: docker/setup-buildx-action@v3
+
+      - name: Verify package registry credentials
+        env:
+          PACKAGE_REGISTRY_USERNAME: ${{ secrets.PACKAGE_REGISTRY_USERNAME }}
+          PACKAGE_REGISTRY_TOKEN: ${{ secrets.PACKAGE_REGISTRY_TOKEN }}
+        run: |
+          test -n "$PACKAGE_REGISTRY_USERNAME" || {
+            echo 'PACKAGE_REGISTRY_USERNAME is required to publish the Docker image.' >&2
+            exit 1
+          }
+          test -n "$PACKAGE_REGISTRY_TOKEN" || {
+            echo 'PACKAGE_REGISTRY_TOKEN is required to publish the Docker image.' >&2
+            exit 1
+          }
+
+      - name: Log in to the Warky container registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.warky.dev
+          username: ${{ secrets.PACKAGE_REGISTRY_USERNAME }}
+          password: ${{ secrets.PACKAGE_REGISTRY_TOKEN }}
+
+      - name: Build and push image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: Dockerfile
+          push: true
+          build-args: |
+            VERSION=${{ env.TAG }}
+            COMMIT=${{ github.sha }}
+            BUILD_TIME=${{ github.event.head_commit.timestamp || github.event.repository.updated_at }}
+          tags: |
+            ${{ env.IMAGE }}:${{ env.TAG }}
+            ${{ env.IMAGE }}:latest
+          labels: |
+            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
+            org.opencontainers.image.revision=${{ github.sha }}
+            org.opencontainers.image.version=${{ env.TAG }}

Makefile

@@ -1,4 +1,4 @@
-.PHONY: all build clean test test-all test-integration-go test-unit-go test-connection schema-install broker-start broker-stop install deps docker-up docker-down help
+.PHONY: all build clean test test-all test-integration-go test-unit-go test-connection schema-install broker-start broker-stop install deps docker-up docker-down docker-build release help
 
 # Build variables
 BINARY_NAME=pgsql-broker
@@ -32,7 +32,7 @@ COMPOSE_CMD := $(shell \
 
 # Version information
 VERSION ?= $(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
-BUILD_TIME=$(shell date -u '+2026-01-02_19:58:30')
+BUILD_TIME=$(shell date -u '+%Y-%m-%d_%H:%M:%S')
 COMMIT=$(shell git rev-parse --short HEAD 2>/dev/null || echo "unknown")
 
 # Inject version info
@@ -73,14 +73,22 @@ schema-install: build ## Install database schema using the broker CLI
 	@echo "Installing database schema..."
 	@$(BIN_DIR)/$(BINARY_NAME) install --config broker.test.yaml
 
-test-setup: build ## Start test environment (docker-compose)
-	@echo "Starting test environment..."
-	@podman-compose -f tests/docker-compose.yml up -d
+test-setup: build ## Start test environment (docker-compose/podman-compose)
+	@echo "Starting test environment (using $(COMPOSE_CMD))..."
+	@if [ "$(CONTAINER_RUNTIME)" = "none" ]; then \
+		echo "Error: Neither Docker nor Podman is installed"; \
+		exit 1; \
+	fi
+	@$(COMPOSE_CMD) -f tests/docker-compose.yml up -d
 
-test-teardown: ## Stop test environment (docker-compose)
-	@echo "Stopping test environment..."
-	@podman-compose -f tests/docker-compose.yml down -v --rmi all
-	@sleep 5 # Give Docker time to release resources
+test-teardown: ## Stop test environment (docker-compose/podman-compose)
+	@echo "Stopping test environment (using $(COMPOSE_CMD))..."
+	@if [ "$(CONTAINER_RUNTIME)" = "none" ]; then \
+		echo "Neither Docker nor Podman is installed, skipping teardown"; \
+	else \
+		$(COMPOSE_CMD) -f tests/docker-compose.yml down -v --rmi all || true; \
+	fi
+	@sleep 5 # Give the container runtime time to release resources
 
 broker-start: build ## Start the broker in the background
 	@echo "Starting broker..."
@@ -172,6 +180,15 @@ docker-down: ## Stop PostgreSQL test database
 	fi
 	@echo "PostgreSQL stopped"
 
+docker-build: ## Build the pgsql-broker runtime image
+	@if [ "$(CONTAINER_RUNTIME)" = "none" ]; then echo "Error: Neither Docker nor Podman is installed"; exit 1; fi
+	@$(CONTAINER_RUNTIME) build \
+		--build-arg VERSION=$(VERSION) \
+		--build-arg COMMIT=$(COMMIT) \
+		--build-arg BUILD_TIME=$(BUILD_TIME) \
+		-t pgsql-broker:$(VERSION) -t pgsql-broker:latest \
+		-f Dockerfile .
+
 release: ## Create and push a new release tag (auto-increments patch version)
 	@echo "Creating new release..."
 	@latest_tag=$$(git describe --tags --abbrev=0 2>/dev/null || echo ""); \

pkg/broker/config/config.go

@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/spf13/viper"
 	"git.warky.dev/wdevs/pgsql-broker/pkg/broker/adapter"
+	"github.com/spf13/viper"
 )
 
 // Config holds all broker configuration

pkg/broker/install/install.go

@@ -326,7 +326,7 @@ func execStatements(ctx context.Context, tx adapter.DBTransaction, sqlText strin
 // $$-quoted function bodies intact.
 // splitSQLStatements splits a SQL script into individual statements on
 // top-level semicolons, ignoring semicolons that appear inside single-quoted
-// strings ('...', with '' as an escaped quote), double-quoted identifiers,
+// strings ('...', with ” as an escaped quote), double-quoted identifiers,
 // line comments (--), and dollar-quoted bodies ($$...$$ or $tag$...$tag$).
 func splitSQLStatements(sqlText string) []string {
 	var result []string

pkg/broker/queue/queue.go

@@ -24,16 +24,16 @@ type Queue struct {
 
 // Config holds queue configuration
 type Config struct {
-	Number            int
-	InstanceID        int64
-	WorkerCount       int
-	DBAdapter         adapter.DBAdapter
-	Logger            adapter.Logger
-	BufferSize        int
-	TimerSeconds      int
-	FetchSize         int
-	TenantID          string
-	LeaseSeconds      int
+	Number       int
+	InstanceID   int64
+	WorkerCount  int
+	DBAdapter    adapter.DBAdapter
+	Logger       adapter.Logger
+	BufferSize   int
+	TimerSeconds int
+	FetchSize    int
+	TenantID     string
+	LeaseSeconds int
 }
 
 // New creates a new queue manager

pkg/broker/worker/worker.go

@@ -218,7 +218,7 @@ func (w *Worker) processJobs(ctx context.Context) {
 
 		if jobID <= 0 {
 			tx.Rollback() // No job found, rollback
-			return         // No more jobs
+			return        // No more jobs
 		}
 
 		// Run the job