This is also a good beginner way to learn about self hosting in docker.

Freetube can make a great backup for when google inevitably breaks something.

And for thise videos you really cant miss there is always yt-dlp scripted to download a channels latests video on a schedule straight to jellyfin of course.

I have not visited the youtube website in more then a year.

It's not perfect, but I use grayjay. They have an android app and a desktop client, and are usually pretty quick to make updates that will sidestep Google's anti-adblocking measures (within 1-2 days.) Again, not perfect, but I don't mind a slightly worse experience to avoid having to see an ad. Plus it has sponsor block support built right in

This doesn't seem very straightforward...