Add the following highlighted code to the index.js file:

var express = require('express');
var router = express.Router();
var passport = require('passport');

/* GET home page. */
router.get('/', function(req, res) {
  res.render('index.ejs');
});

module.exports = router;

Note that we set up the default router to render a page called index.ejs. We have not created this page yet, but we will do so soon; for now, we will continue setting the necessary routes to handle authentication.

Let's create the route for a profile.ejs page; place the following code after the home page route function:

/* GET profile page. */
router.get('/profile', isLoggedIn, function(req, res) {
  res.render('profile.ejs', {
    user : req.user
  });
});

Here, we passed an isLoggedIn...