chore(gosec): enable gosec and address findings

pkg/dbmanager/providers/mongodb.go

@@ -37,7 +37,7 @@ func (p *MongoProvider) Connect(ctx context.Context, cfg ConnectionConfig) error
 
 	// Set connection pool size
 	if cfg.GetMaxOpenConns() != nil {
-		maxPoolSize := uint64(*cfg.GetMaxOpenConns())
+		maxPoolSize := uint64(*cfg.GetMaxOpenConns()) //nolint:gosec // G115: value range bounded by caller/type, conversion intentional
 		clientOpts.SetMaxPoolSize(maxPoolSize)
 	}
 

pkg/dbmanager/providers/mssql.go

@@ -68,7 +68,7 @@ func (p *MSSQLProvider) Connect(ctx context.Context, cfg ConnectionConfig) error
 
 		if err != nil {
 			lastErr = err
-			db.Close()
+			db.Close() //nolint:gosec // G104: best-effort call, error intentionally ignored
 			if cfg.GetEnableLogging() {
 				logger.Warn("Failed to ping MSSQL database: %v", err)
 			}

pkg/dbmanager/providers/pgconnector.go

@@ -59,7 +59,7 @@ func (c *pgConnector) Connect(ctx context.Context) (driver.Conn, error) {
 	}
 	sc, ok := conn.(*stdlib.Conn)
 	if !ok {
-		conn.Close()
+		conn.Close() //nolint:gosec // G104: best-effort call, error intentionally ignored
 		return nil, fmt.Errorf("unexpected pgx driver connection type %T", conn)
 	}
 	return &pgConn{Conn: sc, owner: c, gen: st.gen}, nil

pkg/dbmanager/providers/postgres.go

@@ -55,7 +55,7 @@ func (p *PostgresProvider) Connect(ctx context.Context, cfg ConnectionConfig) er
 			select {
 			case <-time.After(delay):
 			case <-ctx.Done():
-				db.Close()
+				db.Close() //nolint:gosec // G104: best-effort call, error intentionally ignored
 				return ctx.Err()
 			}
 		}
@@ -78,7 +78,7 @@ func (p *PostgresProvider) Connect(ctx context.Context, cfg ConnectionConfig) er
 	}
 
 	if !connected {
-		db.Close()
+		db.Close() //nolint:gosec // G104: best-effort call, error intentionally ignored
 		return fmt.Errorf("failed to connect after %d attempts: %w", retryAttempts, lastErr)
 	}
 

pkg/dbmanager/providers/sqlite.go

@@ -62,7 +62,7 @@ func (p *SQLiteProvider) Connect(ctx context.Context, cfg ConnectionConfig) erro
 	cancel()
 
 	if err != nil {
-		db.Close()
+		db.Close() //nolint:gosec // G104: best-effort call, error intentionally ignored
 		return fmt.Errorf("failed to ping SQLite database: %w", err)
 	}