text: /// <reference path="typings/node/node.d.ts"/>
  
  var http = require('http');
  var os = require('os');
  var port = process.env.PORT || 80;
  
  var server = http.createServer(function (request, response) {
    response.writeHead(200, {'Content-Type': 'text/plain'});
    response.write('Hello World\n');
    response.write('Hostname: ' + os.hostname() + '\n');
    response.end('Node Version: ' + process.env.NODE_VERSION + '\n');
  });
  
  server.listen(port)
  
  console.log('Server running at http://localhost:' + port)