first commit

backendcareit_v4/database/db_postgreSQL.go

@@ -0,0 +1,48 @@
+package database
+
+import (
+	"fmt"
+	"os"
+
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+)
+
+func KonekPG() (*gorm.DB, error) {
+	dsn := os.Getenv("DB_DSN")
+
+	if dsn == "" {
+		user := envOrDefaultPG("DB_USER", "postgres")
+		pass := envOrDefaultPG("DB_PASSWORD", "gakbikinkembung25")
+		host := envOrDefaultPG("DB_HOST", "postgres")
+		port := envOrDefaultPG("DB_PORT", "5432")
+		name := envOrDefaultPG("DB_NAME", "careit_db")
+
+		fmt.Println("DB_USER:", os.Getenv("DB_USER"))
+		fmt.Println("DB_PASSWORD:", os.Getenv("DB_PASSWORD"))
+		fmt.Println("DB_HOST:", os.Getenv("DB_HOST"))
+		fmt.Println("DB_PORT:", os.Getenv("DB_PORT"))
+		fmt.Println("DB_NAME:", os.Getenv("DB_NAME"))
+		fmt.Println("HOST:", os.Getenv("HOST"))
+		fmt.Println("PORT:", os.Getenv("PORT"))
+
+		dsn = fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=disable", host, port, user, pass, name)
+	}
+
+	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
+	if err != nil {
+		return nil, fmt.Errorf("gagal membuka koneksi database: %w", err)
+	} else {
+		fmt.Println("Koneksi ke database PostgreSQL berhasil!")
+	}
+
+	return db, nil
+}
+
+func envOrDefaultPG(key, fallback string) string {
+	val := os.Getenv(key)
+	if val == "" {
+		return fallback
+	}
+	return val
+}