Full disclosure, I’m pretty new to selfhosting myself, and I haven’t written a guide like this before, but hopefully this scatterbrained writeup is enough for someone out there lmao
This is just what works for me and how I set it up. Always open to ideas for improvement as well.
Didnt touch Jellyfin for ~2 years (except tweaking hardware acceleration) besides updating it.
Worked fine for me.
At worst you will get security problems from unpatched bugs or loose compatibility from external services, e.g. the musicbrainz API connection in lidarr.