gistfile1.js

var messages = [{text: 'hi there'}];

var express = require('express');
var app = express();

app.configure(function() {
  app.use(express.bodyParser());
	app.use(function(req, res, next) {
		res.header('Access-Control-Allow-Origin', '*');
		res.header('Access-Control-Allow-Methods', 'OPTIONS, GET, POST');
		res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
		next();
	});
});

app.get('/', function(req, res) {
	res.type('application/json');
	res.setHeader('Access-Control-Allow-Origin', '*');
	res.end(JSON.stringify(messages));
});

app.post('/', function(req, res) {
	console.log(req.body);
	messages.push(req.body);
	res.send(req.body);
});

app.listen(8888);