test-server.js

http.createServer(function (req, res) {

  var jsondata = "";

  req.on('data', function (chunk) {
    jsondata += chunk;
  });

  req.on('end', function () {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.end();
    
    console.log( jsondata );
		
    // do something with the JSON data

  });

  

}).listen(3333);