SOLVED: Jellyfin crashes randomly

[TheDreadPirate]

What is the goal of changing the ffmpeg probe size and duration? I don't think what you've set is the cause of your problem. Just curious.

Some unrelated comments.

PUID and PGID is not used with the official image. The "user: 1000:1000" is enough.

This line is unnecessary.

Code:

- ./jellyfin/cache/transcodes:/cache/transcodes

As is this line.

Code:

- JELLYFIN_WEB_DIR=/jellyfin/jellyfin-web

If your reverse proxy is running on the same host as Jellyfin, which I suspect is the case based on your port publishing to localhost only, you can instead use "expose" instead of "ports".

Code:

expose:
      - 8096