---
- name: Install docker.
  become: true
  become_user: "{{ user_name }}"
  kewlfft.aur.aur:
    name:
      - docker
      - docker-compose
    state: present

- name: Enable docker.
  systemd:
    name: docker
    enabled: true
    state: started

- name: Add user {{ user_name }} to docker group.
  user:
    name: "{{ user_name }}"
    groups: docker
    append: true