Add a task to stop services (and remove containers)

roles/matrix-common-after/tasks/main.yml

@@ -1,4 +1,8 @@
 - import_tasks: "{{ role_path }}/tasks/start.yml"
   when: run_start
   tags:
-    - start
+    - start
+
+- import_tasks: "{{ role_path }}/tasks/stop.yml"
+  tags:
+    - stop

roles/matrix-common-after/tasks/stop.yml

@@ -0,0 +1,7 @@
+---
+
+- name: Ensure Matrix services stopped
+  service:
+    name: "{{ item }}"
+    state: stopped
+  with_items: "{{ matrix_systemd_services_list }}"