Using template engines with Express

• Installation template engine

$ npm install pug --save

• Setting the template path

app.set('views', './views')

• Setting template engine

app.set('view engine', 'pug')

•  Create a template page

//Create a Pug template file named index.pug in the views directory, with the following content:
html
  head
    title= title
  body
    h1= message

• Rendering template page

const express = require('express')

let app = express()

app.set('views', 'views')

app.set('view engine', 'pug')

app.get('/', function (req, res) {
    res.render('index', {title: 'Hey', message: 'Hello there!'})
})

app.listen(80)