- name: Install Docker and Docker Compose on Debian 12
  hosts: all

  become: yes
  tasks:
    - name: Remove old Docker-related packages
      apt:
        name:
          - docker.io
          - docker-doc
          - docker-compose
          - podman-docker
          - containerd
          - runc
        state: absent
        purge: yes
        autoremove: yes

    - name: Update apt cache
      apt:
        update_cache: yes

    - name: Install prerequisites
      apt:
        name:
          - ca-certificates
          - curl
        state: present

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

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

    - name: Get Debian architecture
      command: dpkg --print-architecture
      register: deb_arch

    - name: Add Docker repository
      apt_repository:
        repo: "deb [arch={{ deb_arch.stdout }} signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian {{ ansible_lsb.codename }} stable"
        filename: docker
        state: present
        update_cache: yes

    - name: Update apt cache
      apt:
        update_cache: yes

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

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

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