[stepbeek]

I would have thought https://adonisjs.com/ was the equivalent? I've not used next.js for a few years but it doesn't seem to have an answer for anything on the back-end except rendering. That only covers a tiny part of what frameworks like Spring or ASP.NET offer.

[pjmlp]

You use API routes for the backend stuff, the typical controllers, what is now known as Backend For Frontend in marketing speak.