Install Docker CE on Ubuntu using Ansible

docker.yml

---
- hosts: all
  tasks:
  - name: Install prerequisites
    apt:
      name: ['apt-transport-https','ca-certificates','curl','gnupg2','software-properties-common']
      update_cache: yes

  - name: Add Docker GPG key
    apt_key: url=https://download.docker.com/linux/ubuntu/gpg

  - name: Add Docker APT repository
    apt_repository:
      repo: deb [arch=amd64] https://download.docker.com/linux/{{ansible_distribution|lower}} {{ansible_distribution_release}} stable

  - name: Install Docker
    apt:
      name: docker-ce
      update_cache: yes

- name: Configure instance(s)
  hosts: myinstance
  remote_user: "{{ deploy_user_name }}" 
  become: true
  #become_method: sudo
  tasks:

      - name: Install aptitude using apt
        apt: name=aptitude state=latest update_cache=yes force_apt_get=yes

      - name: Add Docker GPG key
        apt_key:
          url: https://download.docker.com/linux/ubuntu/gpg
          state: present

      - name: Install required system packages
        apt: name={{ item }} state=latest update_cache=yes
        loop: [ 'apt-transport-https', 'ca-certificates', 'curl', 'software-properties-common', 'python3-pip', 'virtualenv', 'python3-setuptools']

      - name: Add Docker APT repository
        apt_repository:
          repo: deb [arch=amd64] https://download.docker.com/linux/{{ansible_distribution|lower}} {{ansible_distribution_release}} stable
          state: present

      - name: Update apt and install docker-ce
        apt: update_cache=yes name=docker-ce state=latest

      - name: Update apt and install docker-ce-cli
        apt: update_cache=yes name=docker-ce-cli state=latest

      - name: Update apt and install containerd.io
        apt: update_cache=yes name=containerd.io state=latest


      - name: Install Docker Module for Python
        pip:
          name: docker

      - name: Install Docker-compose
        shell: curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose && chmod +x /usr/local/bin/docker-compose && ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
        ignore_errors: yes

Reference:
https://www.digitalocean.com/community/tutorials/how-to-use-ansible-to-install-and-set-up-docker-on-ubuntu-18-04