Node js code works in local machine but not working in Apigee.

[#1]

The below code works in local machine when executed by Node.js module. But its throwin error "Cannot GET/" when run in Apigee cloud. Pls help.

var request = require('request');
var express = require('express');
var async = require('async');
var app = express();
var output,jsonRes1;


 async.parallel([
 function(callback) {
	request('https://api.usergrid.com', function (error, response, body) {
		if (!error && response.statusCode == 200) {
			jsonRes1 = JSON.parse(body);
		}
	});
 },	function(callback) {
	setTimeout(function() {
  request('https://api.usergrid.com', function (error, response, body) {
  if (!error && response.statusCode == 200) {
    var jsonRes2 = JSON.parse(body);
	 output = {'Output':{'Response1':{'Time':jsonRes1.timestamp,'Period':jsonRes1.duration}},'Response2':{'Start':jsonRes2.status.started,'CountryCode':jsonRes2.status.uptime}};
    console.dir(output);   
  }
});
	},2000);
	}
],
 function(error, results) {
  console.log(results);
});


app.listen(8001,function (req,res) {
  console.log('Server running at http://198.1.2.3:8888/');
     });