text: var express = require('express');
  var app = express();
  var fs = require('fs');
  
  var port = process.env.PORT || 30025;
  
  app.get('/', function(req, res) {
      'use strict';
      var html = fs.readFileSync(__dirname + '/public/index.html');
      res.writeHeader(200, {
          "Content-Type": "text/html"
      });
      res.write(html);
      res.end();
  });
  
  app.get('/default', function(req, res) {
      'use strict';
      console.log('default is called');
      var body = 'Sent from server with standard res write and end';
      res.setHeader('Content-Type', 'text/plain');
      res.setHeader('Content-Length', body.length);
      res.write(body);
      res.end();
  });
  
  app.get('/express', function(req, res) {
      'use strict';
      console.log('Express is called');
      res.send('Sent from server with Express res.send');
  });
  
  app.use("/", express.static(__dirname + '/public'));
  app.listen(port);
  console.log('Listening on port :' + port);
  