diff --git a/nginx/nginx.prod.conf b/nginx/nginx.prod.conf
index 68b0322..32316b0 100644
--- a/nginx/nginx.prod.conf
+++ b/nginx/nginx.prod.conf
@@ -65,10 +65,10 @@ server {
     gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript image/svg+xml;
     gzip_min_length 1000;
 
-    # Brotli (if module is available)
-    brotli on;
-    brotli_comp_level 5;
-    brotli_types text/plain text/css application/json application/javascript text/xml application/xml image/svg+xml;
+    # Brotli (requires ngx_brotli module — disabled for stock nginx:alpine)
+    # brotli on;
+    # brotli_comp_level 5;
+    # brotli_types text/plain text/css application/json application/javascript text/xml application/xml image/svg+xml;
 
     # SSE streaming for assistant chat
     location /api/assistant/chat/stream {