var express = require('express');
var app = express();

app.get('/', function(req, res){
  res.send('hello world');
});

app.listen(3000);

@@ -48,16 +48,125 @@
 ress();%0A
+var server = require('http').createServer(app);%0Avar port = process.env.PORT %7C%7C 8080;%0Aserver.listen(port);%0A%0A%0A%0A
 %0Aapp.get
@@ -227,22 +227,4 @@
 );%0A%0A
-app.listen(3000);%0A

Update server.js