I've been experimenting with turning a work application into a PWA, but ran into a problem - all the stuff that would be great to cache was behind an authentica

I've been experimenting with turning a work application into a PWA, but ran into a problem - all the stuff that would be great to cache was behind an authentication wall. None of the PWA examples covered this. Also, the service worker examples all had "Don't use this in production" warnings. :D