run syncthing web UI on port 444

ansible/roles/syncthing/tasks/main.yml

@@ -7,22 +7,31 @@
   template:
     src: "{{ role_path }}/config.xml.j2"
     dest: /srv/syncthing/config.xml
+  register: config
       
 - name: Copy private key
   copy:
     src: "{{ role_path }}/key.pem"
     dest: /srv/syncthing/key.pem
+  register: privkey
 
 - name: Copy certificate
   copy:
     src: "{{ role_path }}/cert.pem"
     dest: /srv/syncthing/cert.pem
+  register: cert
 
 - name: Copy Docker stack file
   template:
     src: "{{ role_path }}/docker-stack.yml.j2"
     dest: /srv/syncthing/docker-stack.yml
 
+- name: Remove docker stack
+  docker_stack:
+    name: syncthing
+    state: absent
+  when: config.changed or privkey.changed or cert.changed
+
 - name: Deploy Docker stack
   docker_stack:
     name: syncthing