server.js

var express = require('express');
var app = express();
var morgan = require('morgan');
var bodyParser = require('body-parser');
var cors = require('cors');

app.use(morgan('dev'));
app.use(bodyParser.urlencoded({ 'extended': 'true' }));
app.use(bodyParser.json());
app.use(cors());

app.use(function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header('Access-Control-Allow-Methods', 'DELETE, PUT');
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
});

app.use(express.static('www'));
app.set('port', process.env.PORT || 5000);
app.listen(app.get('port'), function() {
    console.log('Express server listening on port ' + app.get('port'));
});