FROM stackexchange/dnscontrol:v3.20.0 LABEL \ org.opencontainers.image.title="dnscontrol" \ org.opencontainers.image.url="https://code.fbi.h-da.de/hdacloud/images" \ org.opencontainers.image.source="https://code.fbi.h-da.de/hdacloud/images" RUN apk add py3-pip RUN pip install \ python-gitlab \ ansible