---
- name: "Setup Docker"
  become: true
  tasks:
   - name: "Download Docker Repository Key"
     # HACK: apt_key has been deprecated, and its current (2023) replacement appears to be nothing
     #ansible.builtin.apt_key:
     # url: https://download.docker.com/linux/ubuntu/gpg
     # id: 7EA0A9C3F273FCD8
     # state: present
     ansible.builtin.get_url:
      url: https://download.docker.com/linux/ubuntu/gpg
      dest: /tmp/docker.gpg.armor
   - name: "Add Docker Repository Key"
     ansible.builtin.shell:
      cmd: gpg --dearmor -o /etc/apt/keyrings/docker.gpg < /tmp/docker.gpg.armor
      creates: /etc/apt/keyrings/docker.gpg
   - name: "Add Docker Repository"
     ansible.builtin.apt_repository:
      repo: "deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"
      filename: docker
      state: present
   - name: "Install Docker packages"
     ansible.builtin.apt:
      name:
       - docker-ce
       - docker-ce-cli
       - docker-buildx-plugin
       - docker-compose-plugin
       - python3-docker
       - unzip
   - name: "Add self to docker group"
     ansible.builtin.user:
      name: "{{ ansible_user }}"
      append: true
      groups:
       - docker
   - name: "Start Docker"
     ansible.builtin.service:
      name: docker
      state: started
      enabled: true