---
- name: Install Docker on VPS
  hosts: vps
  become: true
  tasks:
    - name: Update apt cache
      apt:
        update_cache: yes

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

    - name: Ensure keyrings directory exists
      file:
        path: /etc/apt/keyrings
        state: directory
        mode: '0755'

    - name: Download Docker GPG key
      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.deb822_repository:
        name: docker
        types: deb
        uris: https://download.docker.com/linux/ubuntu
        suites: "{{ ansible_facts['distribution_release'] }}"
        components: stable
        signed_by: /etc/apt/keyrings/docker.asc

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

    - name: Add ubuntu user to docker group
      user:
        name: ubuntu
        groups: docker
        append: yes

    - name: Start and enable Docker services
      systemd:
        name: "{{ item }}"
        state: started
        enabled: yes
      loop:
        - containerd
        - docker