Refactor docker recreate and rebuild flags

playbooks/roles/reitanlage_oranienburg/tasks/main.yml

@@ -15,12 +15,7 @@
         url: https://raw.githubusercontent.com/getgrav/docker-grav/master/Dockerfile
         dest: "{{ (service_path, 'Dockerfile') | path_join }}"
         mode: "0644"
-      register: cmd_result
-
-    - name: Set the docker rebuild flag
-      ansible.builtin.set_fact:
-        docker_rebuild: true
-      when: cmd_result.changed # noqa: no-handler We need to handle the restart per service. Handlers don't support variables.
+      notify: Rebuild service {{ role_name }}
 
     - name: Import start tasks for common service
       ansible.builtin.import_tasks: tasks/start-common-service.yml