db test

modules/db.js

@@ -0,0 +1,14 @@
+// db.js
+const mysql = require('mysql2/promise');
+
+const pool = mysql.createPool({
+  host: 'db',       // docker-compose 서비스명이 'db'라면 이렇게
+  user: 'how2ice',
+  password: 'tnals1459',
+  database: 'mydb',
+  waitForConnections: true,
+  connectionLimit: 10,
+  queueLimit: 0
+});
+
+module.exports = pool;