FunctionProject/website/server.js

/* Modules */
const next = require('next')
const express = require('express')
const redirectToHTTPS = require('express-http-to-https').redirectToHTTPS

/* Variables */
const PORT = process.env.PORT || 3000
const dev = process.env.NODE_ENV !== 'production'
const app = next({ dev })
const handle = app.getRequestHandler()

app.prepare().then(() => {
  const server = express()

  /* Middlewares */
  server.use(redirectToHTTPS([/localhost:(\d{4})/]))

  /* Routes */
  server.all('*', (req, res) => {
    return handle(req, res)
  })

  /* Server */
  server.listen(PORT, error => {
    if (error) throw error
    console.log(`> Ready on http://localhost:${PORT}`)
  })
})