feat: added application_name

pkg/broker/config/config.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"fmt"
+	"strings"
 	"time"
 
 	"git.warky.dev/wdevs/pgsql-broker/pkg/broker/adapter"
@@ -47,7 +48,7 @@ type BrokerConfig struct {
 	QueueTimerSec        int           `mapstructure:"queue_timer_sec"`
 	QueueBufferSize      int           `mapstructure:"queue_buffer_size"`
 	WorkerIdleTimeoutSec int           `mapstructure:"worker_idle_timeout_sec"`
-	NotifyRetrySeconds   time.Duration `mapstructure:"notify_retry_seconds"`
+	NotifyRetryInterval  time.Duration `mapstructure:"notify_retry_seconds"`
 	EnableDebug          bool          `mapstructure:"enable_debug"`
 	// LeaseSeconds is how long a claimed job's lease is valid for before
 	// broker_recover_stale_jobs considers it abandoned.
@@ -132,7 +133,8 @@ func validateConfig(config *Config) error {
 	}
 
 	// Validate each database configuration
-	for i, db := range config.Databases {
+	for i := range config.Databases {
+		db := &config.Databases[i]
 		if db.Name == "" {
 			return fmt.Errorf("database[%d]: name is required", i)
 		}
@@ -195,5 +197,6 @@ func (d *DatabaseConfig) ToPostgresConfig() adapter.PostgresConfig {
 		MaxIdleConns:    d.MaxIdleConns,
 		ConnMaxLifetime: d.ConnMaxLifetime,
 		ConnMaxIdleTime: d.ConnMaxIdleTime,
+		ApplicationName: fmt.Sprintf("PGSQL_BROKER_%s", strings.ToUpper(d.Name)),
 	}
 }