anchor.diff:  RUN sh -c "echo 'deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_20.04/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list" && \
       curl -LO https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable/xUbuntu_20.04/Release.key && \
       apt-key add - < Release.key && \
  -    clean-install containers-common catatonit conmon containernetworking-plugins cri-tools podman-plugins varlink
  +    clean-install containers-common catatonit conmon containernetworking-plugins cri-tools podman-plugins
   
   # install cri-o based on https://github.com/cri-o/cri-o/blob/release-1.18/README.md#installing-cri-o
   RUN sh -c "echo 'deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/1.18/xUbuntu_20.04/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable:cri-o:1.18.list" && \
  
positive.code:     clean-install cri-o cri-o-runc
  
  # install podman
  RUN sh -c "echo 'deb https://dl.bintray.com/afbjorklund/podman focal main' > /etc/apt/sources.list.d/podman.list" && \
      curl -L https://bintray.com/user/downloadSubjectPublicKey?username=afbjorklund -o afbjorklund-public.key.asc && \
      apt-key add - < afbjorklund-public.key.asc && \
      clean-install podman=1.9.3~1
  
  # automount service
  COPY automount/minikube-automount /usr/sbin/minikube-automount
  
negative.code: # create docker user for minikube ssh. to match VM using "docker" as username
  RUN adduser --ingroup docker --disabled-password --gecos '' docker 
  RUN adduser docker sudo
  RUN adduser docker podman
  RUN echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
  USER docker
  RUN mkdir /home/docker/.ssh
  