Idempotence for stored config

tasks/main.yml

@@ -8,7 +8,9 @@
 - name: Nginx Unit | Deploy config
   copy:
     dest: "{{ nginx_unit_config_path }}"
-    content: "{{ nginx_unit_config | to_nice_json }}"
+    # https://stackoverflow.com/questions/38392491/ansible-remove-whitespaces-in-json-file
+    # unit saves json minified, so to achieve idempotence we need to do it too
+    content: "{{ nginx_unit_config | to_json(separators=(',',':')) }}"
     mode: "600"
     owner: root
     group: root