Node.js on GAE tutorial - www file

www.js

#!/usr/bin/env node    
var debug = require('debug')('gcpNode');    
var app = require('../app');    
var mongodb = require('mongodb');

app.set('port', process.env.PORT || 3000);

mongodb.MongoClient.connect(MONGODB_URI, function(err, db) {
  // do error handling here
  if(err) throw err;
  
  module.exports = db
  var server = app.listen(app.get('port'), function() {    
    debug('Express server listening on port ' + server.address().port);    
  });    
});