---
- name: Check whether docker CLI is already available
  ansible.builtin.command: docker --version
  register: docker_cli_check
  changed_when: false
  failed_when: false

- name: Install Docker packages when docker is missing
  ansible.builtin.apt:
    name:
      - docker.io
      - docker-compose-v2
    state: present
  when: docker_cli_check.rc != 0

- name: Enable Docker service when installed by role and systemd is available
  ansible.builtin.service:
    name: docker
    state: started
    enabled: true
  when:
    - docker_cli_check.rc != 0
    - ansible_service_mgr == "systemd"

- name: Add current ansible user to docker group
  ansible.builtin.user:
    name: "{{ ansible_user }}"
    groups: docker
    append: true
  when:
    - ansible_user is defined
    - docker_cli_check.rc != 0