app.js

const express = require('express')
const handlebars = require('express-handlebars')
const path = require('path')
// const favicon = require('serve-favicon')
const fs = require('fs')
const logger = require('morgan')
const cookieParser = require('cookie-parser')
const bodyParser = require('body-parser')

const index = require('./routes/index')
const users = require('./routes/users')

const app = express()

app.engine('handlebars', handlebars({ defaultLayout: 'main' }))
app.set('view engine', 'handlebars')

// uncomment after placing your favicon in /public
// app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));

app.use(logger('dev', { stream: fs.createWriteStream('./tmp/server.log', { flags: 'a' }) }))
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: false }))
app.use(cookieParser())
app.use(express.static(path.join(__dirname, 'public')))

app.use('/', index)
app.use('/users', users)

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  var err = new Error('Not Found')
  err.status = 404
  next(err)
})

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message
  res.locals.error = req.app.get('env') === 'development' ? err : {}

  // render the error page
  res.status(err.status || 500)
  res.render('error')
})

module.exports = app