Edit db.js

config/db.js

@@ -2,10 +2,10 @@ const mysql = require("mysql2/promise")
 
 // Create connection pool
 const pool = mysql.createPool({
-  host: process.env.DB_HOST || "db",
-  user: process.env.DB_USER || "chathai",
-  password: process.env.DB_PASSWORD || "cha123",
-  database: process.env.DB_NAME || "test_dashboard3",
+  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,