---
- name: Add the docker repo key
  apt_key:
    url: https://download.docker.com/linux/debian/gpg
    state: present

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

- name: Install docker
  apt:
    update_cache: true
    name:
      - docker-ce
      - docker-ce-cli
      - containerd.io
    state: latest
  register: apt_result
  retries: 3
  until: apt_result is succeeded