dokku-ansible-deploy/plays/predeploy/lib/database.yml

---
- name: Set database facts
  no_log: true
  set_fact:
    mount_map:
      mariadb: /var/lib/mysql
  when: config.db

- name: "Create {{ item.type }} database"
  no_log: true
  shell: "
    dokku
    {{ item.type }}:create
    {{ dokku.app }}
    --password {{ item.passwd }}
    --root-password {{ item.root_passwd }}
  "
  args:
    creates: "/var/lib/dokku/services/{{ item.type }}/{{ dokku.app }}"
  with_items: "{{ config.db }}"
  when: config.db

- name: "Link {{ item.type }} database to application"
  no_log: true
  dokku_service_link:
    app: "{{ dokku.app }}"
    name: "{{ dokku.app }}"
    service: "{{ item.type }}"
  with_items: "{{ config.db }}"
  when: config.db

- name: "Specify {{ item.type }} volume mounts"
  no_log: true
  dokku_storage:
    app: "{{ dokku.app }}"
    mounts:
      - "/var/lib/dokku/services/{{ item.type }}/{{ dokku.app }}:{{ mount_map[item.type] }}"
  with_items: "{{ config.db }}"
  when: config.db