BCsabaEngine

Page404 = function (req, res, next) { res.status(404).render('page404', { title: "Oops 404!" }); }
app.re404 = () => { app.remove(Page404); app.use(Page404); }
app.re404();

// and call app.re404() function after adding new routes (eg. when loading submodules)

BCsabaEngine

app.remove = (handler, router) => {
  router = router || app._router;
  for (let i = 0; i < router.stack.length; i++)
    if (router.stack[i].handle == handler) {
      router.stack.splice(i, 1);
      break;
    }
};

BCsabaEngine

const isproduction = (process.env.NODE_ENV === 'production');
const origrenderfile = pug.renderFile;
pug.renderFile = (path, options, fn) => {
  options.cache = isproduction;
  return origrenderfile(path, options, fn);
};