const { createServer } = require('http') const next = require('next') const carlo = require('./carlo') const port = parseInt(process.env.PORT, 10) || 3000 const dev = process.env.NODE_ENV !== 'production' const app = next({ dev }) const handle = app.getRequestHandler() app.prepare().then(async () => { const url = `http://localhost:${port}` app.setAssetPrefix(url) createServer(handle).listen(port, err => { if (err) throw err console.log(`> Ready on ${url}`) }) await carlo(url) })