Ansible playbook to install docker with apt, and docker compose

docker-install.yaml

# based on: 
#.  doceker install: https://docs.docker.com/engine/install/debian/#install-using-the-repository
#.  compose install: https://github.com/docker/compose#where-to-get-docker-compose 
#
# usage: ansible-playbook -i hosts-file docker/docker-install.yaml
#
# contents of hosts-file:
# [docker]
# 192.168.0.101 
---
- hosts: docker
  tasks:
    # accommodate of suite rename in debian buster from stable to oldstable
    - name: Allow Release Info change
      lineinfile:
        path: /etc/apt/apt.conf.d/99releaseinfochange
        state: present
        create: yes
        line: Acquire::AllowReleaseInfoChange::Suite "true";

    - name: Update apt cache - valid time so it is not marked by ansible by each execution
      apt:
        update_cache: yes
        cache_valid_time: 86400
    - name: install utils
      apt:
        name:
          - ca-certificates
          - curl
          - gnupg
          - lsb-release

    - name: add apt key for docker repo
      apt_key:
        keyring: /etc/apt/trusted.gpg.d/docker-archive-keyring.gpg
        url: https://download.docker.com/linux/debian/gpg

    - name: Add specified repository into sources list
      ansible.builtin.apt_repository:
        repo: deb https://download.docker.com/linux/debian buster stable
        state: present

    - name: Update apt cache - valid time so it is not marked by ansible by each execution
      apt:
        update_cache: yes
        cache_valid_time: 86400

    - name: install docker
      apt:
        name:
          - docker-ce
          - docker-ce-cli
          - containerd.io

    ## installing docker compose
    - name: get name of OS
      command: "uname -s"
      register: osname
      changed_when: False

    - name: get arch of OS
      command: "uname -m"
      register: archname
      changed_when: False

    - name: Download compose cli plugin
      get_url:
        url: https://github.com/docker/compose/releases/download/v2.2.3/docker-compose-{{ osname.stdout }}-{{ archname.stdout }}
        dest: /usr/libexec/docker/cli-plugins/docker-compose
        mode: 'a+rx,g-w,o-w'