docker-for-mac.yml

# This is an example for building the open source components of Docker for Mac
kernel:
  image: linuxkit/kernel:5.4.30
  cmdline: "console=ttyS0 page_poison=1"
init:
  - linuxkit/vpnkit-expose-port:3fd88b7025065843792484b1ad83ddd5c4b28684 # install vpnkit-expose-port and vpnkit-iptables-wrapper on host
  - linuxkit/init:f670045ecb6ec31ea37dd10114366e9a1e915013
  - linuxkit/runc:1eef77f5963e44e491abfe392206769037d47ae2
  - linuxkit/containerd:8ee7a0d636fff9df7e13076f5492d06274e5f644
  - linuxkit/ca-certificates:abfc6701b9ca17e34ac9439ce5946a247e720ff5
onboot:
  # support metadata for optional config in /run/config
  - name: metadata
    image: linuxkit/metadata:04ce7519c2ea2eaf99bbdc76bb01fc036eed7ab0
  - name: sysctl
    image: linuxkit/sysctl:541f60fe3676611328e89e8bac251fc636b1a6aa
  - name: sysfs
    image: linuxkit/sysfs:697f996868d6625a78bbbefb199d7b6b6ae3533a
  - name: binfmt
    image: linuxkit/binfmt:94d59bc179c7a9155d8593a974d499352b70bfd5
  # Format and mount the disk image in /var/lib/docker
  - name: format
    image: linuxkit/format:0b75e494eea0312f3015e6c6f7c5927620d56c96
  - name: mount
    image: linuxkit/mount:8363f4f1744e1df2557ec260a4cc94227178fd69
    command: ["/usr/bin/mountie", "/var/lib"]
  # make a swap file on the mounted disk
  - name: swap
    image: linuxkit/swap:2cf5c3f08c4b238bb5fe231fd59ce19faee0fbc6
    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:3.11
    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:3.11
    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:2f8a9b670aa6e96a09db56ec45c9f07ef2a811ee
    command: ["/sbin/dhcpcd", "--nobackground", "-f", "/dhcpcd.conf", "-1"]
services:
  # Enable acpi to shutdown on power events
  - name: acpid
    image: linuxkit/acpid:d5692a8c9d7cfceb7922acb8e356928c920bc280
  # Enable getty for easier debugging
  - name: getty
    image: linuxkit/getty:48f66df198981e692084bf70ab72b9fe2be0f880
    env:
        - INSECURE=true
  # Run ntpd to keep time synchronised in the VM
  - name: ntpd
    image: linuxkit/openntpd:9b33f59f6d66c0f5027754a75e52f972e11882c1
  # VSOCK to unix domain socket forwarding. Forwards guest /var/run/docker.sock
  # to a socket on the host.
  - name: vsudd
    image: linuxkit/vsudd:0366cd7fb47398de85b176f3b0420355cda235fa
    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:e0964f3c34f92f7e7ff7b13e360d57559c64581c
    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:f5a83f55b1bc24d61bca4891d997bca33474945d
  # When the host resumes from sleep, force a clock resync
  - name: host-timesync-daemon
    image: linuxkit/host-timesync-daemon:8625ccdbda099c94b9635acd167e8f0e2f9c6318
  # 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:19.03.8-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