---
- name: Install initial dependencies
  apt:
    name:
      - apt-transport-https
      - ca-certificates
      - curl
      - gnupg
      - lsb-release
    state: present
    update_cache: yes

- name: Create directory for apt keyrings
  file:
    path: /etc/apt/keyrings
    state: directory
    mode: '0755'

- name: Add Docker official GPG key (modern keyring approach)
  get_url:
    url: https://download.docker.com/linux/debian/gpg
    dest: /etc/apt/keyrings/docker.asc
    mode: '0644'

- name: Set up Docker repository for ARM architecture
  apt_repository:
    repo: "deb [arch={{ 'arm64' if ansible_architecture == 'aarch64' else 'armhf' }} signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable"
    state: present

- name: Install Docker Engine and CLI components
  apt:
    name:
      - docker-ce
      - docker-ce-cli
      - containerd.io
    state: present
    update_cache: yes

- name: Ensure Docker service is started and enabled
  systemd:
    name: docker
    state: started
    enabled: yes

- name: Add current user to docker group
  user:
    name: "{{ ansible_user }}"
    groups: docker
    append: yes