var express = require('express'),
    app = express();
var scores = require('./server/routes/scores');
var users = require('./server/routes/users');
var chats = require('./server/routes/chats');
var rooms = require('./server/routes/rooms');
var paints = require('./server/routes/pictures');
var bodyParser = require('body-parser');

var mongoose = require('mongoose');
mongoose.connect(process.env.MONGODB || 'mongodb://localhost/rollingpaint');

app.use(express.static('www'));
app.use(bodyParser.json()); // for parsing application/json
app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded

app.use('/scores', scores);
app.use('/users', users);
app.use('/chats', chats);
app.use('/rooms', rooms);
app.use('/pictures', paints);

// CORS (Cross-Origin Resource Sharing) headers to support Cross-site HTTP requests
app.all('*', function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "X-Requested-With");
    next();
});

// API Routes
// app.get('/blah', routeHandler);

app.set('port', process.env.PORT || 80);

app.listen(app.get('port'), function () {
    console.log('Express server listening on port ' + app.get('port'));
});

var express = require('express'),
    app = express();
var scores = require('./server/routes/scores');
var users = require('./server/routes/users');
var chats = require('./server/routes/chats');
var rooms = require('./server/routes/rooms');
var paints = require('./server/routes/pictures');
var bodyParser = require('body-parser');

var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/rollingpaint');

app.use(express.static('www'));
app.use(bodyParser.json()); // for parsing application/json
app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded

app.use('/scores', scores);
app.use('/users', users);
app.use('/chats', chats);
app.use('/rooms', rooms);
app.use('/pictures', paints);

// CORS (Cross-Origin Resource Sharing) headers to support Cross-site HTTP requests
app.all('*', function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "X-Requested-With");
    next();
});

// API Routes
// app.get('/blah', routeHandler);

app.set('port', process.env.PORT || 80);

app.listen(app.get('port'), function () {
    console.log('Express server listening on port ' + app.get('port'));
});

--- 
+++ 
@@ -8,7 +8,7 @@
 var bodyParser = require('body-parser');
 
 var mongoose = require('mongoose');
-mongoose.connect('mongodb://localhost/rollingpaint');
+mongoose.connect(process.env.MONGODB || 'mongodb://localhost/rollingpaint');
 
 app.use(express.static('www'));
 app.use(bodyParser.json()); // for parsing application/json
Update mongoDB address by env.
