error

database/db.go

@@ -25,11 +25,20 @@ func New(cfg *config.DatabaseConfig) (*DB, error) {
 		return nil, fmt.Errorf("failed to connect to database: %w", err)
 	}
 
-	// Configure connection pool with optimized settings
-	db.SetMaxOpenConns(cfg.MaxOpenConns)
-	db.SetMaxIdleConns(max(1, cfg.MaxOpenConns/2)) // 50% of max open connections
-	db.SetConnMaxLifetime(30 * time.Minute)        // Longer lifetime to reduce connection churn
-	db.SetConnMaxIdleTime(5 * time.Minute)         // Close idle connections after 5 minutes
+	// Configure connection pool based on database type
+	if cfg.Driver == "sqlite3" {
+		// SQLite is a file-based database - simpler connection settings
+		db.SetMaxOpenConns(1)
+		db.SetMaxIdleConns(1)
+		db.SetConnMaxLifetime(0) // Connections don't need to be recycled
+		db.SetConnMaxIdleTime(0)
+	} else {
+		// For other databases (MySQL, PostgreSQL etc.)
+		db.SetMaxOpenConns(cfg.MaxOpenConns)
+		db.SetMaxIdleConns(max(1, cfg.MaxOpenConns/2)) // 50% of max open connections
+		db.SetConnMaxLifetime(30 * time.Minute)
+		db.SetConnMaxIdleTime(5 * time.Minute)
+	}
 
 	// Verify connection with timeout
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
@@ -45,9 +54,16 @@ func New(cfg *config.DatabaseConfig) (*DB, error) {
 
 // WithTx executes a function within a transaction with retry logic
 func (db *DB) WithTx(ctx context.Context, fn func(*sqlx.Tx) error) error {
-	const maxRetries = 3
+	var maxRetries int
 	var lastErr error
 
+	// Adjust retry settings based on database type
+	if db.DriverName() == "sqlite3" {
+		maxRetries = 5 // SQLite needs more retries due to busy timeouts
+	} else {
+		maxRetries = 3
+	}
+
 	// Default transaction options
 	opts := &sql.TxOptions{
 		Isolation: sql.LevelReadCommitted,