updatingGolangDB(izin jadi ishowspeed)

internal/database/database.go

@@ -0,0 +1,47 @@
+package database
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+
+	"5803025050/internal/config"
+)
+
+// ConnectDB establishes a connection pool to the PostgreSQL database
+// using the configuration values from Config.
+func ConnectDB(cfg *config.Config) (*pgxpool.Pool, error) {
+	dsn := cfg.DatabaseURL()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	poolConfig, err := pgxpool.ParseConfig(dsn)
+	if err != nil {
+		return nil, fmt.Errorf("unable to parse database config: %w", err)
+	}
+
+	pool, err := pgxpool.NewWithConfig(ctx, poolConfig)
+	if err != nil {
+		return nil, fmt.Errorf("unable to create connection pool: %w", err)
+	}
+
+	if err := pool.Ping(ctx); err != nil {
+		pool.Close()
+		return nil, fmt.Errorf("unable to ping database: %w", err)
+	}
+
+	log.Println("database connection established")
+	return pool, nil
+}
+
+// CloseDB gracefully closes the database connection pool.
+func CloseDB(pool *pgxpool.Pool) {
+	if pool != nil {
+		pool.Close()
+		log.Println("database connection closed")
+	}
+}