Not a Qubes user, just a curious reader; what is the issue with this? It sounds like you’re implying that what parent said isn’t practical. I’m curious why?
>>haswel+(OP)
The issue with trying to hack Docker Desktop and similar tools to boot a qube instead of a VM and somehow hack QubesOS to not isolate those qubes from each other seems self-evident to me and I don't care to explain further.