-

user/internal/database/database.go

@@ -0,0 +1,34 @@
+package database
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/jmoiron/sqlx"
+	_ "github.com/lib/pq" // PostgreSQL driver
+)
+
+// NewPostgresProvider creates a new PostgreSQL database connection
+func NewPostgresProvider(dsn string, maxOpenConns, maxIdleConns int, maxLifetime string) (*sqlx.DB, error) {
+	db, err := sqlx.Connect("postgres", dsn)
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to database: %w", err)
+	}
+
+	// Set connection pool settings
+	db.SetMaxOpenConns(maxOpenConns)
+	db.SetMaxIdleConns(maxIdleConns)
+	
+	if maxLifetime != "" {
+		if lifetime, err := time.ParseDuration(maxLifetime); err == nil {
+			db.SetConnMaxLifetime(lifetime)
+		}
+	}
+
+	// Test connection
+	if err := db.Ping(); err != nil {
+		return nil, fmt.Errorf("failed to ping database: %w", err)
+	}
+
+	return db, nil
+}