homelab/roles/docker/handlers/main.yml

- name: Reload systemd manager configuration
  ansible.builtin.systemd:
    daemon_reload: true
  listen: compose_systemd

- name: Find which services had a docker-compose.yml updated
  set_fact:
    compose_restart_list: "{{ (compose_restart_list | default([])) + [item.item.name] }}"
  loop: "{{ compose_update.results }}"
  loop_control:
    label: "{{ item.item.name }}"
  when: item.changed
  listen: compose_restart

- name: Find which services had their .env updated
  set_fact:
    compose_restart_list: "{{ (compose_restart_list | default([])) + [item.item.name] }}"
  loop: "{{ compose_env_update.results }}"
  loop_control:
    label: "{{ item.item.name }}"
  when: item.changed
  listen: compose_restart

- name: Restart {{ docker_compose_service }} services
  ansible.builtin.systemd:
    state: restarted
    name: "{{ docker_compose_service }}@{{ item }}"
  loop: "{{ compose_restart_list | unique }}"
  when: compose_restart_list is defined
  listen: compose_restart