Docker containers are easier to backup and restore since the config folder is easily accessible. Also if your plex server is accessible to the internet it will be harder for hackers to take it over if there's any possible exploits.
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Plex is the last thing I don't have in docker. Will be my next task .. maybe. I still want to get rid of my friends windows 10 box running 1 windows only app
Yup! I made the move about 5 years ago and never looked back since. Native performance, and it makes things super portable and very easy to move to another server. Just copy the docker volume and start the container on the new machine.
Super easy to switch between various versions too, if needed. And it also reduces chances of breaking stuff.
I give my containers their own IP addresses using macvlan. Eliminates the need to forward ports on the host and you can put them on a different subnet to keep everything separate from the rest of your LAN. Works great with Plex and makes reverse proxy setup very easy.
Yep, I really like that feature. I use it for pihole and a couple of other services.
I use a docker container version of Plex with Traeffik as a reverse proxy on an Ubuntu server.