simply_server.js

'use strict';

const http = require('http');

const server = http.createServer((req, res) => {
  console.log(req.url);
  res.end('simple server');
});

server.on('error', err => {
  console.log('server error:');
  console.log(err);
});

server.listen(8001, () => {
  console.log('simply server listing on 8001 port');
});