index.js

const http = require('http');
http.createServer(function (req, res) {
	console.log('..' + req.method + ' method invoked');
  if (req.method === 'POST') {
    let body = '';
    req.on('data', chunk => {
        body += chunk.toString(); 
    });
    req.on('end', () => {
        console.log('..' + body);
        res.end('ok');
    });
  }
  else {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.write('Please, send a post request');
    res.end();
  }
}).listen(8888);
console.log('..Listener http serving by port 8888');