# This is a blueprint for building the open source components of Docker for Mac
kernel:
  image: "linuxkit/kernel:4.9.35"
  cmdline: "console=ttyS0 page_poison=1"
init:
  - linuxkit/vpnkit-expose-port:e2b49a6c56fbf876ea24f0a5ce4ccae5f940d1be # install vpnkit-expose-port and vpnkit-iptables-wrapper on host
  - linuxkit/init:24942921d1356bb801b30ca6d7197d2bfdcc26f9
  - linuxkit/runc:2310ad9d266cf5d9c4d07613bd2135ed7eb8a21f
  - linuxkit/containerd:e0607d117e0286792c5bd62d9a7e2a9c49be3bbf
onboot:
  - name: sysctl
    image: "linuxkit/sysctl:d1a43c7c91e92374766f962dc8534cf9508756b0"
  - name: sysfs
    image: "linuxkit/sysfs:006a65b30cfdd9d751d7ab042fde7eca2c3bc9dc"
  - name: binfmt
    image: "linuxkit/binfmt:0bde4ebd422099f45c5ee03217413523ad2223e5"
  # Format and mount the disk image in /var/lib/docker
  - name: format
    image: "linuxkit/format:84a997e69051a1bf05b7c1926ab785bb07932954"
  - name: mount
    image: "linuxkit/mount:b24bd97ae43397b469dbaadd80f17f291c817bdf"
    command: ["/mount.sh", "/var/lib/docker"]
  # mount-vpnkit mounts the 9p share used by vpnkit to coordinate port forwarding
  - name: mount-vpnkit
    image: "alpine:3.6"
    binds:
        - /var/:/host_var:rbind,rshared
    capabilities:
        - CAP_SYS_ADMIN
    rootfsPropagation: shared
    command: ["sh", "-c", "mkdir -p /host_var/vpnkit/port && mount -v -t 9p -o trans=virtio,dfltuid=1001,dfltgid=50,version=9p2000 port /host_var/vpnkit"]
  - name: dhcpcd
    image: "linuxkit/dhcpcd:4b7b8bb024cebb1bbb9c8026d44d7cbc8e202c41"
    command: ["/sbin/dhcpcd", "--nobackground", "-f", "/dhcpcd.conf", "-1"]
services:
  # Enable getty for easier debugging
  - name: getty
    image: "linuxkit/getty:5ab31289889d61a5d2ecbeea8e36ce74ac54737c"
    env:
        - INSECURE=true
  - name: rngd
    image: "linuxkit/rngd:1516d5d70683a5d925fe475eb1b6164a2f67ac3b"
  # Run ntpd to keep time synchronised in the VM
  - name: ntpd
    image: "linuxkit/openntpd:19370f5d9bec84eb91073b7196b732f1301d9c90"
  # VSOCK to unix domain socket forwarding. Forwards guest /var/run/docker.sock
  # to a socket on the host.
  - name: vsudd
    image: "linuxkit/vsudd:adad4b6ab7529b6b95339eb0752b0c81a218d185"
    binds:
        - /var/run:/var/run
    command: ["/vsudd", "-inport", "2376:unix:/var/run/docker.sock"]
  # vpnkit-forwarder forwards network traffic to/from the host via VSOCK port 62373. 
  # It needs access to the vpnkit 9P coordination share 
  - name: vpnkit-forwarder
    image: "linuxkit/vpnkit-forwarder:9c1545e7b093d1210118de7661d7346393ec195b"
    binds:
        - /var/vpnkit:/port
    net: host
    command: ["/vpnkit-forwarder", "-vsockPort", "62373"]
  # Monitor for image deletes and invoke a TRIM on the container filesystem
  - name: trim-after-delete
    image: "linuxkit/trim-after-delete:2a5fcbe080cd4a45bd75c2ea3856c069475d706d"

trust:
    org:
        - linuxkit