---
  # main tasks to install docker


- name: install packages
  apt: state=present package={{ item }}
  with_items:
    - "wget"

- name: run docker install script
  command: "wget -qO- https://get.docker.com/ | sh"
  args:
    creates: /usr/bin/docker

- name: create docker group
  group: state=present name=docker gid=999 system=yes

- name: add users to docker group
  user: name={{ item }} groups=docker append=yes
  with_items:
    - richard