Ansible/playbook/linux/docker/InstallDocker.yml

- name: Install Docker CE
  hosts: linux

  tasks:
    - name: Check if Docker is installed
      #failed_when: "'Failed' Docker was already installed."
      apt:
        name: docker
        state: absent
    
    - name: Install dependancies
      become: true
      become_method: sudo
      apt:
        name: "{{ packages }}"
        # state: absent
      vars:
        packages:
          - apt-transport-https
          - ca-certificates
          - curl
          - gnupg-agent
          - software-properties-common

    - name: Install Docker GPG key
      become: true
      become_method: sudo
      apt_key:
        url: "https://download.docker.com/linux/ubuntu/gpg"
        state: present
        id: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
    
    - name: Install Docker Repo
      become: true
      become_method: sudo
      apt_repository:
        repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu/ bionic stable"
        state: present

    - name: Update Repos
      become: true
      become_method: sudo
      apt:
        update_cache: yes
    
    - name: Install Docker
      become: true
      become_method: sudo
      apt:
        name: "{{ packages }}"
      vars:
        packages:
          - docker-ce
          - docker-ce-cli
          - containerd.io