Fix moving all python files to docker image context

requested review from @mol

added 3 commits

• 25787af4...9173ddeb - 2 commits from branch lofar2.0:master
• 85c9339a - Merge branch 'master' into 'master'

Compare with previous version

enabled an automatic merge when the pipeline for 85c9339a succeeds

mentioned in commit d64101df

merged

But there is only a requirements.txt? This just copies the Dockerfile as well, which is not needed. If we need to copy a bunch of files, I propose we make a pypcc dir in the repo and copy all of that to /pypcc.