Ensure docker app is restarted if its unit file changes

Author: chacal

roles/docker-app/handlers/main.yml

@@ -1,7 +1,7 @@
 ---
-- name: "{{ docker_app_name }} | Enable and start application"
+- name: "{{ docker_app_name }} | Enable and restart application"
   systemd:
     name: "{{ docker_app_name }}"
     daemon_reload: yes
-    state: started
+    state: restarted
     enabled: yes

roles/docker-app/tasks/main.yml

@@ -19,5 +19,5 @@
 - name: "{{ docker_app_name }} | Install systemd unit file"
   template: src=docker-app.service.j2 dest=/lib/systemd/system/{{ docker_app_name }}.service owner=root group=root mode=0644
   notify:
-    - "{{ docker_app_name }} | Enable and start application"
+    - "{{ docker_app_name }} | Enable and restart application"