diff --git a/docs/nginx_photo_maintenance b/docs/nginx_photo_maintenance
index f8be793..b55836f 100644
--- a/docs/nginx_photo_maintenance
+++ b/docs/nginx_photo_maintenance
@@ -57,6 +57,10 @@ server {
 
     error_page 503 /static/maintenance.html ;
 
+    location /metrics {
+        proxy_pass http://127.0.0.1:9100;
+    }
+
     location /maintenance.html {
         alias /var/www/photos/photo21/static ;
     }