text: // node.js command prompt for command:
  // http-server <PATH>
  // 2021-11-22 Bill Hung Nagoya, Japan
  
  const http = require('http');
  
  const hostname = '127.0.0.1';
  const port = 8080;
  
  const server = http.createServer((req, res) => {
    res.statusCode = 200;
    res.setHeader('Content-Type', 'text/plain');
    res.end('Hello World');
  });
  
  server.listen(port, hostname, () => {
    console.log(`Server running at http://${hostname}:${port}/`);
  });