 var express = require("express") var app = express() var mysql = require('mysql')  // Server port  var HTTP_PORT = 0000; // Start server app.listen(HTTP_PORT, () => {     console.log("Server running on port %PORT%".replace("%PORT%",HTTP_PORT)) });  var con = mysql.createConnection({     host: "000.000.0.0",     port: "0000",     user: "user