app.js

const express = require('express');
const nunjucks = require('nunjucks');

const app = express();
const router = require('./router');
const port = 3000;

/* Set up Express to serve HTML files using 'res.render' with the help of Nunjucks */
app.set('view engine', 'html');
app.engine('html', nunjucks.render);
nunjucks.configure('views', { noCache: true });

/* To host CSS from the server */
app.use(express.static(__dirname));
app.use('/styles', express.static('styles'));

/* To use 'req.body' -- to parse 'application/json' content-type */
app.use(express.json()); 

/* To use 'req.body' -- to parse 'application/x-www-form-urlencoded' content-type */
app.use(express.urlencoded({ extended: true }));

/* Set up router */
app.use('/', router);

app.listen(port, () => {
  console.info(`Stripe Subscriptions demo running on port ${port}`);
});