# This is an example for building the open source components of Docker for Mac
kernel:
  image: linuxkit/kernel:4.14.54
  cmdline: "console=ttyS0 page_poison=1"
init:
  - linuxkit/vpnkit-expose-port:9899eef84d0a881b6a5ca5a4b4bb71e382435cb5 # install vpnkit-expose-port and vpnkit-iptables-wrapper on host
  - linuxkit/init:317b039710f39b0263981cff25cf873043baf561
  - linuxkit/runc:01b4f0706d999f9065ef44492689e43d0bcd83c5
  - linuxkit/containerd:9924cc405996bc43a61e050e70284372d2cb09b8
  - linuxkit/ca-certificates:ce2692e89d2be341b0d3caa0b0aa01b37d5d0694
onboot:
  # support metadata for optional config in /run/config
  - name: metadata
    image: linuxkit/metadata:7d885acd45923cc3406a40dc4fa4be24903e3cd2
  - name: sysctl
    image: linuxkit/sysctl:6f96e509c7383b31dfdd2c3e9fa01c6ab3e4c586
  - name: sysfs
    image: linuxkit/sysfs:6d1b016e1a7834ccc72bd4570fadd22933665ec8
  - name: binfmt
    image: linuxkit/binfmt:b0d833f5ecd26d6cb991622b1234afd9a0f6ee31
  # Format and mount the disk image in /var/lib/docker
  - name: format
    image: linuxkit/format:c5e3200c3eeaed2652314869c08197098fd1f843
  - name: mount
    image: linuxkit/mount:6b25743397b520924de11f96e3eeb613aa04a507
    command: ["/usr/bin/mountie", "/var/lib"]
  # make a swap file on the mounted disk
  - name: swap
    image: linuxkit/swap:e73f719b467e3dcb1eec85f1f1fd5d32fe1140bf
    command: ["/swap.sh", "--path", "/var/lib/swap", "--size", "1024M"]
  # mount-vpnkit mounts the 9p share used by vpnkit to coordinate port forwarding
  - name: mount-vpnkit
    image: alpine:3.8
    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"]
  # move logs to the mounted disk (this is a temporary fix until we can limit the log sizes)
  - name: move-logs
    image: alpine:3.8
    binds:
        - /var:/host_var
    command: ["sh", "-c", "mv -v /host_var/log /host_var/lib && ln -vs /var/lib/log /host_var/log"]
  - name: dhcpcd
    image: linuxkit/dhcpcd:0aa201ad1a4c134f0ed6ab2cec23602d5ee73d7f
    command: ["/sbin/dhcpcd", "--nobackground", "-f", "/dhcpcd.conf", "-1"]
services:
  # Enable acpi to shutdown on power events
  - name: acpid
    image: linuxkit/acpid:80b486a60dd0d55233e560db1ff096b1d5b35bbd
  # Enable getty for easier debugging
  - name: getty
    image: linuxkit/getty:3763a7fc3fddedc185bbd6f7f583f729e57fbeda
    env:
        - INSECURE=true
  # Run ntpd to keep time synchronised in the VM
  - name: ntpd
    image: linuxkit/openntpd:2f13536030a04f93cfaa02f816fe24f536c9943c
  # VSOCK to unix domain socket forwarding. Forwards guest /var/run/docker.sock
  # to a socket on the host.
  - name: vsudd
    image: linuxkit/vsudd:4d2a600d4dcefed5195a6908a1aaf0e16d48ad0c
    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:e474ea69ccc48157b6b8053a9a5814af46b58707
    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:1a8531c662ad4cde6f795cab9db3e622b3cf655e
  # When the host resumes from sleep, force a clock resync
  - name: host-timesync-daemon
    image: linuxkit/host-timesync-daemon:a54caae030f4086e482b103100f954b27a02aadd
  # Run dockerd with the vpnkit userland proxy from the vpnkit-forwarder container.
  # Bind mounts /var/run to allow vsudd to connect to docker.sock, /var/vpnkit
  # for vpnkit coordination and /run/config/docker for the configuration file.
  - name: docker-dfm
    image: docker:17.07.0-ce-dind
    capabilities:
     - all
    net: host
    mounts:
     - type: cgroup
       options: ["rw","nosuid","noexec","nodev","relatime"]
    binds:
     - /etc/resolv.conf:/etc/resolv.conf
     - /var/lib/docker:/var/lib/docker
     - /lib/modules:/lib/modules
     - /var/vpnkit:/port # vpnkit control 9p mount
     - /var/run:/var/run
     - /run/config/docker:/var/config/docker
     - /usr/bin/vpnkit-expose-port:/usr/bin/vpnkit-expose-port # userland proxy
     - /usr/bin/vpnkit-iptables-wrapper:/usr/bin/iptables # iptables wrapper
    command: [ "/usr/local/bin/docker-init", "/usr/local/bin/dockerd", "--",
            "--config-file", "/var/config/docker/daemon.json",
            "--swarm-default-advertise-addr=eth0",
            "--userland-proxy-path", "/usr/bin/vpnkit-expose-port",
            "--storage-driver", "overlay2" ]
    runtime:
      mkdir: ["/var/lib/docker"]

trust:
    org:
        - linuxkit
        - library