---
- name: Update apt cache
  ansible.builtin.apt:
    update_cache: yes

- name: Install prerequisite packages
  ansible.builtin.apt:
    name:
    - ca-certificates
    - curl
    state: present

- name: Create apt keyrings directory
  ansible.builtin.file:
    path: /etc/apt/keyrings
    state: directory
    mode: '0755'

- name: Download Docker GPG key
  ansible.builtin.get_url:
    url: "https://download.docker.com/linux/ubuntu/gpg"
    dest: /etc/apt/keyrings/docker.asc
    mode: '0644'

- name: Add Docker apt repository
  ansible.builtin.apt_repository:
    repo: "deb [arch={{ docker_arch }} signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"
    filename: docker
    state: present
  vars:
    docker_arch: "{{ ansible_architecture | regex_replace('x86_64', 'amd64') }}"

- name: Update apt cache after adding Docker repository
  ansible.builtin.apt:
    update_cache: yes

- name: Install Docker packages
  ansible.builtin.apt:
    name:
    - docker-ce
    - docker-ce-cli
    - containerd.io
    - docker-buildx-plugin
    - docker-compose-plugin
    state: present

# - name: Test Docker installation by running hello-world
#   ansible.builtin.command: docker run hello-world
#   register: docker_test
#   ignore_errors: yes

# - name: Display Docker test output
#   ansible.builtin.debug:
#     msg: "{{ docker_test.stdout }}"