simple-node-http.js

var http = require('http');

http.createServer(
    function (req, res) {
        var body = [];
        req.on('error', function(err) {
          console.error('error', err);
        }).on('data', function(chunk) {
          body.push(chunk);
        }).on('end', function() {
          body = Buffer.concat(body).toString();
          console.log(body);
        });
        res.writeHead(200, {
          'Content-Type': 'text/plain',
          'Access-Control-Allow-Origin': '*'
        });
        res.end('Zzzz...\n');
    }
).listen(3000, '0.0.0.0');

console.log('Server running at http://127.0.0.1:3000');