Edit db.js

config/db.js

@@ -5,10 +5,10 @@ dotenv.config();
 
 // สร้าง connection pool
 const pool = mysql.createPool({
-    host: process.env.DB_HOST || 'localhost',
-    user: process.env.DB_USER || 'root',
-    password: process.env.DB_PASSWORD || '',
-    database: process.env.DB_NAME || 'warehouse_db',
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASSWORD,
+    database: process.env.DB_NAME,
     waitForConnections: true,
     connectionLimit: 10,
     queueLimit: 0