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

---
- name: Setup preparatory facts
  set_fact:
    db_type: "{{ db['type'] }}"
    mount_map:
      mariadb: /var/lib/mysql

- name: "Create {{ db_type }} database"
  no_log: true
  shell: "
    dokku
    {{ db_type }}:create
    {{ app }}
    --password {{ db_passwd }}
    --root-password {{ root_db_passwd }}
  "
  args:
    creates: "/var/lib/dokku/services/{{ db_type }}/{{ app }}"

- name: Link mariadb database to application
  dokku_service_link:
    app: "{{ app }}"
    name: "{{ app }}"
    service: "{{ db_type }}"

- name: "Specify {{ db_type }} volume mounts"
  dokku_storage:
    app: "{{ app }}"
    mounts:
      - "/var/lib/dokku/services/{{ db_type }}/{{ app }}:{{ mount_map[db_type] }}"