---

- name: Setup docker
  hosts: webservers
  become: yes

  tasks:
    - name: Install required system packages
      apt: 
        name: [
          'apt-transport-https', 
          'ca-certificates',
          'curl',
          'gnupg-agent',
          'software-properties-common',
        ]
        state: latest
        update_cache: yes

    - name: Add Docker GPG apt Key
      apt_key:
        url: https://download.docker.com/linux/ubuntu/gpg
        state: present

    - name: Add Docker Repository
      apt_repository:
        repo: deb https://download.docker.com/linux/ubuntu focal stable
        state: present

    - name: Update apt and install docker-ce
      apt: 
        name: [
         'docker-ce',
         'docker-ce-cli',
         'containerd.io',
        ]
        state: latest
        update_cache: yes

    - name: Install docker-compose
      get_url:
        url : https://github.com/docker/compose/releases/download/1.27.4/docker-compose-Linux-x86_64
        dest: /usr/local/bin/docker-compose
        mode: 'u+x,g+x'
        group: docker

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