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

---
- name: "Configure {{ domain }} dedicated domain"
  dokku_domains:
    app: "{{ app }}"
    domains:
      - "{{ domain }}"
    state: present
  when: domain is defined

- name: Provide information on domain configuration
  debug:
    msg:
      - "Dedicated domain discovered for the deployment of {{ app }}"
      - "Your application will be available at https://{{ domain }}"
  when: domain is defined

- name: Provide information on sub-domain configuration
  debug:
    msg:
      - "No dedicated domain configured for the deployment of {{ app }}"
      - "Dokku will provide a sub-domain configuration"
      - "Your application will be available at https://{{ app }}.{{ dokku_hostname }}"
  when: domain is not defined