---
- name: install dependencies packages
  apt:
    name: '{{ packages }}'
  vars:
    packages:
      - apt-transport-https
      - ca-certificates
      - gnupg2
      - software-properties-common
      - python3-docker
      - python-docker
  tags: docker

- name: add gpg key for docker repository
  apt_key:
    url: https://download.docker.com/linux/debian/gpg
  tags: docker

- name: add docker repository
  apt_repository:
    repo: 'deb https://download.docker.com/linux/debian {{ docker_repo_distribution }} stable'
  tags: docker

- name: install docker package
  apt:
    name: docker-ce
  tags: docker

- name: enable and start service
  systemd:
    name: docker
    state: started
  tags: docker