Docker on prebuilt image

[bratoff]

I noticed that Docker is pre-installed in the current pre-built Armbian image for the A64.  Is this just a nice-to-have or is it necessary for some part of the release to function properly?

I ask this question because the desktop is a bit sluggish and I'm looking for daemons that might not actually be necessary in my use case to try and get back a bit more performance.