const { createServer } = require('http') const { parse } = require('url') const next = require('next') const pathMatch = require('path-match') const port = parseInt(process.env.PORT, 10) || 3000 const dev = process.env.NODE_ENV !== 'production' const app = next({ dev }) const handle = app.getRequestHandler() const route = pathMatch() const match = route('/about/:name') app.prepare() .then(() => { createServer((req, res) => { const { pathname } = parse(req.url) const params = match(pathname) if (params === false) { handle(req, res) return } app.render(req, res, '/about', params) }) .listen(port, (err) => { if (err) throw err console.log(`> Ready on http://localhost:${port}`) }) })