text: const PORT = process.env.PORT || 5000;
  
  var express = require('express');
  var http = require('http');
  var pretty = require('express-prettify');
  var app = express();
  
  app.use(pretty({ query: 'pretty' }));
  
  app.get('/', function (req, res) {
      res.status(200);
      res.json(req.headers);
  });
  
  http.createServer(app).listen(PORT);