---
- name: remove conflicting packages
  become: true
  ansible.builtin.apt:
    state: absent
    name:
      - docker.io
      - docker-doc
      - docker-compose
      - podman-docker
      - containerd

- name: install prerequisites
  become: true
  ansible.builtin.apt:
    state: present
    name:
      - ca-certificates
      - curl
      - gnupg

- name: ensure apt keyring directory exists
  become: true
  ansible.builtin.file:
    state: directory
    path: /etc/apt/keyrings
    mode: '0755'
    owner: root
    group: root

- name: download docker gpg key
  become: true
  ansible.builtin.get_url:
    url: https://download.docker.com/linux/debian/gpg
    dest: /etc/apt/keyrings/docker.asc
    mode: '0644'
    owner: root
    group: root

- name: determine architecture
  changed_when: false
  register: docker_arch
  ansible.builtin.command:
    cmd: dpkg --print-architecture

- name: add docker repo
  become: true
  ansible.builtin.apt_repository:
    state: present
    filename: docker
    update_cache: true
    repo: >
      deb [arch={{ docker_arch.stdout }} signed-by=/etc/apt/keyrings/docker.asc]
      https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable

- name: install docker + compose plugin and dependencies
  become: true
  notify: docker_run_test
  ansible.builtin.package:
    state: present
    name:
      - docker-ce
      - docker-ce-cli
      - containerd.io
      - docker-buildx-plugin
      - docker-compose-plugin