Return status code 404 when Page Not Found

[kyleoliveiro]

Currently, a status code of 200 is returned regardless of whether the requested page exists or not. Ideally, the status code should be 404.

[jstcki]

Can you elaborate on the scenario where this doesn't work? Maybe provide a minimal reproducible setup?

Note that this probably only is the case during development (i.e. when using catalog start). Once built, Catalog isn't responsible for serving your pages.

[kyleoliveiro]

Yes, it's during development. I'm using Cypress to check for pages which should exist in the documentation by visiting a URL and asserting that the response code is 200.