Use environment port

Author: elevenpassin

server.js

@@ -1,11 +1,11 @@
-var express = require('express');
-var app = express();
+const express = require('express');
+const app = express();
 
 
 
-app.get('/', function (req, res) {
-  res.send('Welcome to coderplex');
+app.get('/', (req, res) => {
+  res.send('Backend in progress');
 });
-app.listen(3000, function () {
-  console.log('Example app listening on port 3000!');
+app.listen(process.env.PORT, function () {
+  console.log(`Listening on ${process.env.PORT}`);
 });