Fix: Remove snippets bind-mount to prevent empty directory shadowing

docker-compose.yml

@@ -10,7 +10,7 @@ services:
     volumes:
       #- ./nginx.conf:/etc/nginx/nginx.conf # Removed to avoid file-mount errors in Portainer
       - ./conf.d:/etc/nginx/conf.d
-      - ./snippets:/etc/nginx/snippets
+      #- ./snippets:/etc/nginx/snippets # Removed to avoid empty-mount errors
       - ./ssl:/etc/nginx/ssl
       - nginx_logs:/var/log/nginx
       - nginx_cache:/var/cache/nginx