meadowlark.js

const express = require('express')
const expressHandlebars = require('express-handlebars')

const fortune = require('./lib/fortune.js')

const app = express()

// configure Handlebars view engine
app.engine('handlebars', expressHandlebars({
  defaultLayout: 'main',
}))
app.set('view engine', 'handlebars')

const port = process.env.PORT || 3000

app.use(express.static(__dirname + '/public'))

app.get('/', (req, res) => res.render('home'))

app.get('/about', (req, res) => {
  res.render('about', { fortune: fortune.getFortune() })
})

// custom 404 page
app.use((req, res) => {
  res.status(404)
  res.render('404')
})

// custom 500 page
app.use((err, req, res, next) => {
  console.error(err.message)
  res.status(500)
  res.render('500')
})

app.listen(port, () => {
  console.log( `Express started on http://localhost:${port}` +
    '; press Ctrl-C to terminate.' )
})