---
- name: Create Docker network for services
  docker_network:
    name: services

- name: Deploy services
  include_tasks: "services/{{ item.service.file }}"
  loop: "{{ services | dict2items(value_name='service') }}"
  when: single_service is not defined and
        item.service.file is defined

- name: Deploy single service
  include_tasks: "services/{{ services[single_service].file }}"
  when: single_service is defined and
        single_service in services and
        services[single_service].file is defined