++ fix restore backup

docker/nginx/default.conf

@@ -6,9 +6,15 @@ server {
 
     charset utf-8;
 
-    # Territory PDF/ZIP imports are the largest uploads; keep this in step with
-    # upload_max_filesize / post_max_size in docker/php/php.ini.
-    client_max_body_size 256M;
+    # NOTE: client_max_body_size is deliberately NOT set here.
+    #
+    # entrypoint.sh writes it to /etc/nginx/conf.d/upload-limit.conf from
+    # MAX_UPLOAD_MB, together with PHP's upload_max_filesize/post_max_size, so
+    # that one variable governs the whole chain. A value in this server block
+    # would override the generated one and silently reinstate the mismatch this
+    # arrangement exists to prevent — the symptom being a 413 with no body,
+    # returned after zero bytes, which leaves the browser's upload bar frozen
+    # and the page with nothing to report.
 
     # Behind Dokploy's Traefik, the real client IP arrives in X-Forwarded-For.
     real_ip_header X-Forwarded-For;