code: function fail(status, description, response) {
  	let body = status + ' ' + description;
  	console.log(body);
  	response.writeHead(status, {
  		'Content-Type': 'text/plain',
  		'Access-Control-Allow-Origin': '*',
  		'Content-Length': body.length
  	});
  
  	response.write(body);
  	response.end();
  }
docs: helper for http server