We're going to need the body-parser module (so we can accept and parse POST requests for a login form), and the express-session module. Let's begin by installing those:
$ npm install --save express-session body-parser
Along with modifying a few files, we're also going to create a routes/auth.js file and views/login.ejs file:
$ touch routes/auth.js views/login.ejs
Let's require the express-session and body-parser at the top of the index.js file:
const session = require('express-session')
const bodyParser = require('body-parser')
Underneath where we load the index route, we'll also load our auth route:
const index = require('./routes/index')
const auth = require('./routes/auth')
HTTP sessions rely on cookies, we want to ...
