package database import ( "context" "fmt" "time" "github.com/jackc/pgx/v5/pgxpool" ) func Connect(ctx context.Context, databaseURL string) (*pgxpool.Pool, error) { cfg, err := pgxpool.ParseConfig(databaseURL) if err != nil { return nil, fmt.Errorf("parse database url: %w", err) } cfg.MaxConns = 10 cfg.MinConns = 2 cfg.MaxConnLifetime = time.Hour cfg.HealthCheckPeriod = 30 * time.Second pool, err := pgxpool.NewWithConfig(ctx, cfg) if err != nil { return nil, fmt.Errorf("create pool: %w", err) } ctx, cancel := context.WithTimeout(ctx, 10*time.Second) defer cancel() if err := pool.Ping(ctx); err != nil { pool.Close() return nil, fmt.Errorf("ping database: %w", err) } return pool, nil }