Use LXC unless that's for some reason not possible. It has less overhead than VMs. How many services you put into one container is for you to decide. I have one for jellyfin and one for the arrs and download client. Splitting everything into more containers might be beneficial, if something stops working. You can then fix or use a backup for the one thing without inhibiting the other services.

Unless you want to use docker. Then, as others have mentioned, make one VM and put all your dockers there.

Did you even bother reading the first paragraph? There are other reasons for wanting subs besides not knowing the language.

But on the PC Version we don’t have a frame cap. My guess would be, that fixed 30fps feel better than a fluctuation between 25 and 40.