---
- name: Install Docker on Rocky Linux 9
  hosts: docker
  become: true

  vars:
    docker_packages:
      - docker-ce
      - docker-ce-cli
      - containerd.io
      - docker-buildx-plugin
      - docker-compose-plugin

  tasks:
    - name: Install dnf plugins
      ansible.builtin.dnf:
        name: dnf-plugins-core
        state: present

    - name: Add Docker CE repository
      ansible.builtin.get_url:
        url: https://download.docker.com/linux/rhel/docker-ce.repo
        dest: /etc/yum.repos.d/docker-ce.repo
        mode: "0644"

    - name: Install Docker packages
      ansible.builtin.dnf:
        name: "{{ docker_packages }}"
        state: present
        update_cache: true

    - name: Enable and start Docker
      ansible.builtin.systemd:
        name: docker
        enabled: true
        state: started

    - name: Verify Docker service
      ansible.builtin.command: systemctl is-active docker
      register: docker_status
      changed_when: false

    - name: Show Docker status
      ansible.builtin.debug:
        var: docker_status.stdout