The primary reason to change the data directory for docker to the home directory for user
is to have persistence across AppVM restarts. The secondary reason is to work around permission issues.
Here we provide "the Qubes way" of solving for both that does not leave "bind-dirs" nor "docker" in a broken state.
Step 1: TemplateVM - Perform installation of docker via your package manager, and ensure services are disabled
sudo apt install -y docker.io