heroku port

server.js

@@ -1,6 +1,7 @@
 var express = require('express'); //require express package
 var app = express(); //create application variable
 var fakeArray = require('./models/fakearray.js');
+var PORT = process.env.PORT || 3000;
 
 console.log(fakeArray);
 
@@ -11,7 +12,7 @@ app.get('/', function(request, response){
 });
 
 //params: port, callback to execute once listening has begun
-app.listen(3000, function () { //start app listening on port 3000
+app.listen(PORT, function () { //start app listening on port 3000
 	//once listening, execute this callback
 	console.log('Example app listening on port 3000!');
 });