multipass-docker.yaml

yaml

# Based on https://github.com/canonical/multipass-blueprints/blob/ae90147b811a79eaf4508f4776390141e0195fe7/v1/docker.yaml
apt:
  sources:
    docker:
      source: |
        deb https://download.docker.com/linux/ubuntu $RELEASE stable
      key: |
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packages:
- binfmt-support
- docker-ce
- docker-ce-cli
- docker-compose
- containerd.io
- jq
- qemu-user-static
- skopeo

snap:
  commands:
  - snap install yq

runcmd:
- |
  # add `ubuntu` to the `docker` group
  adduser ubuntu docker

- |
  # disable swap
  sysctl vm.swappiness=0
  echo "vm.swappiness = 0" | tee -a /etc/sysctl.conf

- |
  # disable unnecessary services
  systemctl disable man-db.timer man-db.service --now
  systemctl disable apport.service apport-autoreport.service  --now
  systemctl disable apt-daily.service apt-daily.timer --now
  systemctl disable apt-daily-upgrade.service apt-daily-upgrade.timer --now
  systemctl disable unattended-upgrades.service --now
  systemctl disable motd-news.service motd-news.timer --now
  systemctl disable bluetooth.target --now
  systemctl disable ua-messaging.service ua-messaging.timer --now

- |
  # Listen 2375 for docker-cli on host machine
  sed -i 's/ExecStart=\/usr\/bin\/dockerd -H fd:\/\//ExecStart=\/usr\/bin\/dockerd -H tcp:\/\/0.0.0.0:2375 -H fd:\/\//' /lib/systemd/system/docker.service
  systemctl daemon-reload
  systemctl restart docker
  systemctl reload ssh

- |
  # apt cleanup
  apt-get autoremove -y

final_message: |
  The system is finally up, after $UPTIME seconds
  Rn the following commands:
  ---
  multipass mount /Users docker:/Users
  multipass mount /Volumes docker:/Volumes
  multipass mount /private docker:/private
  ---