Renamed general and mode constants and implemented a check to verify that constants are just defined ones over the whole repository

roles/web-app-nextcloud/templates/config/memcache.config.php.j2

@@ -3,7 +3,7 @@
 # Implementing redis configuration
 return array (
   # For single server setup APCu is recommended, for multi server setup Redis
-  'memcache.local' => '\\OC\\Memcache\\{% if deployment_mode == "single" %}APCu{% else %}Redis{% endif %}',
+  'memcache.local' => '\\OC\\Memcache\\{% if DEPLOYMENT_MODE == "single" %}APCu{% else %}Redis{% endif %}',
   # The following lines are configured via the environment variables
   # 'memcache.locking' => '\\OC\\Memcache\\Redis',
   # 'redis' =>

roles/web-app-nextcloud/templates/nginx/docker.conf.j2

@@ -5,7 +5,7 @@
 worker_processes auto;
 
 # @see https://chatgpt.com/share/67aa3ce9-eea0-800f-85e8-ac54a3810b13
-error_log   /proc/self/fd/2 {% if enable_debug | bool %}debug{% else %}warn{% endif %};
+error_log   /proc/self/fd/2 {% if MODE_DEBUG | bool %}debug{% else %}warn{% endif %};
 pid        /var/run/nginx.pid;