anchor.diff:  RUN  chmod +x /var/lib/minikube/scheduled-stop/minikube-scheduled-stop
   
   # disable non-docker runtimes by default
  -RUN systemctl disable containerd && \
  -    export ARCH=$(dpkg --print-architecture | sed 's/ppc64el/ppc64le/' | sed 's/armhf/arm-v7/') && \
  -    if [ "$ARCH" = "amd64" ] || [ "$ARCH" = "arm64" ]; \
  -    then \
  -        systemctl disable crio && rm /etc/crictl.yaml; \
  -    fi
  +RUN systemctl disable containerd && systemctl disable crio && rm /etc/crictl.yaml
   # enable docker which is default
   RUN systemctl enable docker.service && systemctl enable podman.socket
   # making SSH work for docker container 
  
positive.code:     clean-install containers-common catatonit conmon containernetworking-plugins cri-tools podman-plugins crun
  
  # install cri-o based on https://github.com/cri-o/cri-o/blob/release-1.22/README.md#installing-cri-o
  # currently cri-o only supports amd64 & arm64, so skip installation on other archs
  RUN export ARCH=$(dpkg --print-architecture | sed 's/ppc64el/ppc64le/' | sed 's/armhf/arm-v7/') && \
      if [ "$ARCH" = "amd64" ] || [ "$ARCH" = "arm64" ]; \
      then \
          sh -c "echo 'deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/1.22/xUbuntu_20.04/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable:cri-o:1.22.list" && \
          curl -LO https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/1.22/xUbuntu_20.04/Release.key && \
          apt-key add - < Release.key && \
          clean-install cri-o cri-o-runc; \
      fi
  
  # install podman
  RUN sh -c "echo 'deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_20.04/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list" && \
  
negative.code: ARG BUILDKIT_VERSION="v0.9.0"
  ARG FUSE_OVERLAYFS_VERSION="v1.7.1"
  ARG CONTAINERD_FUSE_OVERLAYFS_VERSION="1.0.3"
  ARG CRIO_VERSION="1.22"
  
  # copy in static files (configs, scripts)
  COPY deploy/kicbase/10-network-security.conf /etc/sysctl.d/10-network-security.conf
  