Cloud Init Example w/ Docker

lxd-profile.gist

config:
  security.nesting: "true"
  user.user-data: |
    #cloud-config
    package_upgrade: true
    users:
      - name: perigrin
        sudo: ['ALL=(ALL) NOPASSWD:ALL']
        groups: sudo,admin
        shell: /bin/bash
    apt:
      preserve_sources_list: true
      sources:
        docker.list:
          source: deb [arch=amd64] https://download.docker.com/linux/ubuntu $RELEASE stable
          keyid: 7EA0A9C3F273FCD8
    packages:
        - docker-ce
        - docker-ce-cli
        - containerd.io
description: Default LXD profile
devices:
  eth0:
    nictype: bridged
    parent: lxdbr0
    type: nic
  root:
    path: /
    pool: default
    type: disk
name: docker