rice/docker-host/setup/tasks/install-docker.yml

---
- hosts: leftcoastlab
  become: yes
  tasks:
    - name: Install docker dependencies
      apt:
        name: "{{item}}"
        update_cache: yes
      loop:
        - apt-transport-https
        - ca-certificates
        - curl
        - gnupg
        - software-properties-common
        - lsb-release

    - name: Install Docker
      apt:
        name: docker.io
        update_cache: yes