server.js

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

const dev = process.env.NODE_ENV !== 'production';
const app = next({ dev });
const handle = app.getRequestHandler();

const port = process.env.PORT || 3001;

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

  // Handle ALL routes and methods (GET, POST, etc.)
  server.all('*', (req, res) => {
    return handle(req, res);
  });

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