Ansible-Docker/roles/docker/tasks/main.yml

---
# file: roles/docker/tasks/main.yml

- name: Add Docker repository
  get_url:
    url: "{{ docker_repo_url }}"
    dest: '/etc/yum.repos.d/docker-ce.repo'

- name: Install packages
  package:
    name:
      - docker-ce
      - docker-ce-cli
      - containerd.io
      - docker-compose-plugin
    state: latest
  tags: packages

- name: Add manager users to Docker group
  user:
    name: "{{ item }}"
    groups: docker
    append: yes
  when: docker_manager_accounts is defined
  loop: "{{ docker_manager_accounts }}"

- name: Configure Docker service options
  copy:
    content: "{{ docker_service_options | to_nice_json }}"
    dest: /etc/docker/daemon.json
  when: docker_service_options.keys() | length > 0
  notify: Restart docker

- name: Start and enable Docker
  service:
    name: docker
    state: started
    enabled: yes