There are jellyfin, Plex and emby shares you can subscribe to for cheap, try it out before blowing money and time on a set-up that needs constant tinkering, it's easy to just download an app and connect to your remote library somewhere that someone else spends time on. I use a shield I got 6 years ago, but now also the Amazon fire stick 4k max on another TV and everything is just easy and seamless while using a Plex share that's 9 euro per month.

Not even docker, I just pulled it from the aur, lol.

And yeah, that's fair. Though not really Jellyfins fault if it's not sorted already. Same goes for Plex.

Radarr/Sonarr :)