- name: Install required system packages
  ansible.builtin.apt:
    pkg:
      - apt-transport-https
      - ca-certificates
      - curl
      - software-properties-common
      - python3-pip
      - virtualenv
      - python3-setuptools
    state: present
    update_cache: true
  become: true

- name: Add Docker GPG apt Key
  ansible.builtin.apt_key:
    url: https://download.docker.com/linux/ubuntu/gpg
    state: present
  become: true

- name: Add Docker Repository
  ansible.builtin.apt_repository:
    repo: deb https://download.docker.com/linux/ubuntu focal stable
    state: present
  become: true

- name: Update apt and install docker packages
  ansible.builtin.apt:
    pkg:
      - docker-ce
      - docker-ce-cli
      - containerd.io
      - docker-buildx-plugin
      - docker-compose-plugin
    state: present
    update_cache: true
  become: true

- name: Add user to the Docker group
  ansible.builtin.user:
    name: "{{ ansible_user }}"
    groups: docker
    append: true
  become: true

- name: Apply docker daemon config
  ansible.builtin.copy:
    src: docker-daemon.json
    dest: /etc/docker/daemon.json
    mode: "0400"
    owner: root
    group: root
  become: true
  register: docker_config_result

- name: Restart docker service
  ansible.builtin.systemd_service:
    state: restarted
    name: docker
  become: true
  when: docker_config_result.changed # noqa: no-handler TODO can we add a handler here?

- name: Create a network
  community.docker.docker_network:
    name: apps
    enable_ipv6: true