Fix caddy role tasks changed recognition

roles/caddy/tasks/main.yml

@@ -37,6 +37,7 @@
   become: yes
   # bringing up the container takes some time, we have to wait
   until: caddy_container_info['rc'] == 0 and caddy_container_info['stdout'] | length >= 1
+  changed_when: False
   register: caddy_container_info
 
 - name: Register caddy container id
@@ -51,15 +52,19 @@
     command: >
       apk add curl
   become: yes
+  register: result
+  changed_when: "'Installing' in result.stdout"
 
 - name: Ensure caddy api is responsive
   community.docker.docker_container_exec:
     container: "{{ caddy_container_id }}"
     command: >
       curl localhost:2019/config/
-  until: result.rc == 0
-  register: result
   become: yes
+  until: result.rc == 0
+  when: caddy_use_api == True
+  changed_when: False
+  register: result
 
 # TODO FIXME UP
 # - name: Allow access to services