NextJS + Express

server.js

// Server.js

const express = require('express');
const next = require('next');

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(() => {
  const server = express();

 // compress files
server.use(
        "/_next",
        expressStaticGzip("./.next", {
            enableBrotli: true,
            index: false,
            orderPreference: ["br", "gz"],
            setHeaders: res => {
                // cache files
                res.setHeader("Cache-Control", "public, max-age=31536000");
            }
        })
  );

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

  server.listen(port, err => {
    if (err) throw err
    console.log(`> Ready on http://localhost:${port}`)
  });
});