Naming and namespace
Currently the default namespace is mor1/dabuild. I would like to put the images under the alpinelinux namespace. Should we also change the image name to docker-abuild to make it less confusing?
We also discussed to not explicitly define the ORG in the makefile to prevent mistakes, but I think it makes sense dabuild has the correct location to the image so we do not have to provide that manually when creating the dabuild script. We should probably define a separate push ORG so we can keep that empty?