Express 500 error handling

express-500-error-handling.js

const app = express();

// define your custom routes here
app.use('/test', (req, res) => {
  res.status(200).json({ message: 'your test route' });
);

// 500 - Any server error - at the end
app.use((err, req, res, next) => {
  return res.status(500).json({ error: err.toString() });
});
  
app.server = http.createServer(app);
app.server.listen('7595', () => {
  console.log('server started on => http://localhost:7595');
});