First Commit

server/db.js

@@ -0,0 +1,14 @@
+const mysql = require('mysql2/promise');
+
+const pool = mysql.createPool({
+  host: process.env.MYSQL_HOST || 'localhost',
+  port: parseInt(process.env.MYSQL_PORT) || 3306,
+  user: process.env.MYSQL_USER || 'root',
+  password: process.env.MYSQL_PASSWORD || '',
+  database: process.env.MYSQL_DATABASE || 'display_wall',
+  waitForConnections: true,
+  connectionLimit: 10,
+  queueLimit: 0
+});
+
+module.exports = pool;