Docker is just a lightweight container that has the app and OS all in one package. It uses the underlying kernel of the host system. No where near the same as electron apps.
Well, I was... But dual 700w power supplies running a whole lot of VMs was a bit too much power draw.
My power edge R630 was eating way too much power... It's off and being replaced with a second consumer grade PC to be my second host.I don't really have anything that takes enough clocks to justify that pig of a machine.
It's like using vim as your text editor.