---
- name: add docker gpg key
  apt_key:
    keyserver: pgp.key-server.io
    id: 8D81803C0EBFCD88
    state: present

- name: add docker apt repository
  apt_repository:
    repo: deb https://download.docker.com/linux/ubuntu artful stable
    state: present
    update_cache: yes

- name: install docker-ce
  apt:
    name: docker-ce
    state: present