package core import ( "context" "fmt" "os" "github.com/jackc/pgx/v5" ) func connect() { conn, err := pgx.Connect(context.Background(), os.Getenv("DATABASE_URL")) if err != nil { fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err) os.Exit(1) } defer conn.Close(context.Background()) }