Minimal Kubernetes + Docker systemd sysext Butane configuration

config.yaml

# butane < config.yaml > config.json
# ./flatcar_production_qemu.sh -i ./config.json
variant: flatcar
version: 1.0.0
storage:
  files:
    - path: /opt/extensions/docker/docker-24.0.5.raw
      contents:
        source: https://github.com/flatcar/sysext-bakery/releases/latest/download/docker-24.0.5.raw
    - path: /opt/extensions/kubernetes/kubernetes-v1.27.4.raw
      contents:
        source: https://github.com/flatcar/sysext-bakery/releases/latest/download/kubernetes-v1.27.4.raw
    - path: /etc/systemd/system-generators/torcx-generator
  links:
    - target: /opt/extensions/docker/docker-24.0.5.raw
      path: /etc/extensions/docker.raw
      hard: false
    - target: /opt/extensions/kubernetes/kubernetes-v1.27.4.raw
      path: /etc/extensions/kubernetes.raw
      hard: false