Expected behavior

Allow the user to customize what the size of qcow disk image.

Actual behavior

Extending the initial size beyond the default is .. annoyingly difficult under the best of circumstances.

Information

I understand that growing the file size can be tedious / difficult but I should have the option to specify a larger size if I accept that all my docker images will be wiped out.

Steps to reproduce the behavior

Docker factory reset and validate that there is no option to override the default disk size.