const express = require('express') const next = require('next') const dev = process.env.NODE_ENV !== 'production' const app = next({ dev }) const handle = app.getRequestHandler() app.prepare().then(() => { const server = express() server.all('*', (req, res) => { return handle(req, res) }) const PORT = process.env.PORT || 3000 server.listen(PORT, (err) => { if (err) { console.log(err) } console.log(`> Ready on port ${PORT}`) }) })