Update CI to test production image
Currently, ./compose.sh tox builds an image before testing. It would be preferable to have a configuration which uses an existing image. This can then be used in the CI to test the image which was just built.
Currently, ./compose.sh tox builds an image before testing. It would be preferable to have a configuration which uses an existing image. This can then be used in the CI to test the image which was just built.