---

- name: "Check that host runs Debian buster/sid on x86_64"
  assert:
    that:
      - "ansible_architecture == 'aarch64' or ansible_architecture == 'x86_64'"
      - "ansible_os_family == 'Debian'"

- name: Remove stale Docker versions
  apt: 
    state: absent
    name:
      - docker
      - docker-engine
      - docker.io
      - containerd
      - runc

- name: Install Docker prerequisities
  apt:
    state: present
    update_cache: yes
    name:
      - apt-transport-https
      - ca-certificates
      - curl
      - gnupg-agent
      - software-properties-common

- name: Add Docker's GPG key to apt
  apt_key:
    url: https://download.docker.com/linux/debian/gpg

- name: Add Docker's repository to apt
  apt_repository: 
    repo: deb [arch=amd64] https://download.docker.com/linux/debian buster stable
    state: present

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

# For docker-compose it's a bit lame:
# sudo curl -L "https://github.com/docker/compose/releases/download/1.25.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose