text: var http = require("http");
  var express = require('express');
  var app = express();
  app.set('port', process.env.PORT || 8080);
  
  http.createServer(function (request, response) {
     // Get the version
     var version = process.env.VERSION || development;
     // Send the HTTP header
     // HTTP Status: 200 : OK
     // Content Type: text/plain
     response.writeHead(200, {'Content-Type': 'text/plain'});
  
     // Send the response body as "Hello World"
     response.end(`Hello World. This is version ${version} \n`);
  }).listen(app.get('port'));
  
  // Console will print the message
  console.log('Server running at http://127.0.0.1/');
  