Move upstream logic to handler function

roles/whoami/handlers/main.yml

@@ -1,4 +1,18 @@
 ## Register reverse proxy
+- name: Ensure upstream directory exists
+  ansible.builtin.file:
+    path: "{{ whoami_upstream_file_dir }}"
+    state: directory
+    mode: '0755'
+  become: yes
+  listen: "update upstream"
+
+- name: Update upstream template
+  ansible.builtin.template:
+    src: upstream.json.j2
+    dest: "{{ whoami_upstream_file_dir }}/upstream.json"
+  become: yes
+  listen: "update upstream"
 
 # figure out if upstream id exists
 - name: check {{ stack.name }} upstream
@@ -26,6 +40,14 @@
   community.docker.docker_container_exec:
     container: "{{ caddy_container_id }}"
     command: >
-      curl -X POST -H "Content-Type: application/json" -d @/stacks/{{ stack.name }}/upstream.json localhost:2019/config/apps/http/servers/{{ (whoami_use_https == True) | ternary(caddy_https_server_name, caddy_http_server_name) }}/routes/0/ 
+      curl -X POST -H "Content-Type: application/json" -d @{{ whoami_upstream_file_dir }}/upstream.json localhost:2019/config/apps/http/servers/{{ (whoami_use_https == True) | ternary(caddy_https_server_name, caddy_http_server_name) }}/routes/0/ 
   become: yes
   listen: "update upstream"
+
+- name: Ensure upstream directory is gone again
+  ansible.builtin.file:
+    path: "{{ whoami_upstream_file_dir }}"
+    state: absent
+  become: yes
+  listen: "update upstream"
+