install_docker.yml

---
- hosts: all
  tasks:
    - name: remove the docker-compose package
      become: true
      package:
        name: docker-compose
        state: absent
    - name: remove the docker-engine package
      become: true
      package:
        name: docker-engine
        state: absent
    - name: remove the docker.io package
      become: true
      package:
        name: docker.io
        state: absent
    - name: Install packages to allow apt to use a repository over HTTPS
      become: true
      package: name={{ item }} state=latest
      with_items:
        - apt-transport-https
        - ca-certificates
        - curl
        - software-properties-common
    - name: Add Docker’s official GPG key
      become: true
      apt_key:
        url: https://download.docker.com/linux/ubuntu/gpg
        state: present
    - name: Add apt repo
      become: true
      apt_repository:
        repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"
        state: present
    - name: install docker-ce
      become: true
      package: name={{ item }} state=latest
      with_items:
        - docker-ce
    - name: adding existing user '{{ ansible_user }}' to group docker
      become: true
      user:
        name: "{{ ansible_user }}"
        groups: docker
        append: yes
    - name: Install Compose on Linux systems
      become: true
      get_url:
        url: "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-{{ ansible_system }}-{{ ansible_architecture }}"
        dest: /usr/local/bin/docker-compose
        mode: 0755