Sadly they have to operate cooperatively. :/ I've taken great pains to prefix all of my builds with "${CI_JOB_ID}" and add a `clean` step at the end to tear dow

Sadly they have to operate cooperatively. :/ I've taken great pains to prefix all of my builds with "${CI_JOB_ID}" and add a `clean` step at the end to tear down all created images. It's not perfect, but it works well enough in a trusted environment.