kernel:
  image: linuxkit/kernel:4.19.46
  cmdline: "console=ttyS0"
init:
  - linuxkit/init:v0.7
  - linuxkit/runc:v0.7
  - linuxkit/containerd:v0.7
  - linuxkit/ca-certificates:v0.7
onboot:
  - name: modprobe
    image: linuxkit/modprobe:v0.7
    command:
      - modprobe
      - -a
      - ip6table_raw
      - iso9660
      - virtio-blk
      - virtio-rng
      - virtio-net
  - name: sysctl
    image: linuxkit/sysctl:v0.7
  - name: sysfs
    image: linuxkit/sysfs:v0.7
services:
  - name: getty
    image: linuxkit/getty:v0.7
    env:
     - INSECURE=true
    runtime:
      mounts:
        - type: iso9660
          source: /dev/sda
          destination: /var/config
          options: ["ro"]