ansible/roles/docker/tasks/main.yml

# vim: ft=yaml.ansible
---
- name: Add Docker PGP key
  apt_key:
    keyserver: pgp.mit.edu
    id: 8D81803C0EBFCD88
    state: present

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

- name: Install Docker
  apt:
    name: "{{ pkgs }}"
    state: present
  vars:
    pkgs:
      - docker-ce
      - docker-compose-plugin

- name: Create docker-compose symlink
  ansible.builtin.file:
    name: /usr/local/bin/docker-compose
    src: /usr/libexec/docker/cli-plugins/docker-compose
    state: link

- name: Configure cron job to prune unused Docker data weekly
  cron:
    name: Prune unused Docker data
    cron_file: ansible_docker_prune
    job: 'docker system prune -fa && docker volume prune -fa'
    special_time: weekly
    user: root
    state: present

- name: Create folder structure for bind mounts
  file:
    name: "{{ item }}"
    state: directory
  loop:
    - "{{ volume_root_folder }}"
    - "{{ volume_website_folder }}"

- name: Set up services
  import_tasks: services.yml
  tags:
    - setup_services