diff --git a/docker/nginx.conf b/docker/nginx.conf
index 04559fd..eb72ae6 100644
--- a/docker/nginx.conf
+++ b/docker/nginx.conf
@@ -19,6 +19,14 @@ http {
         server notenextra-cse:4200;
     }
 
+    # Decide where to send /_pagefind* based on the page that made the request
+    map $http_referer $pagefind_upstream {
+        default                          http://notenextra-cse;
+        ~*://[^/]+/Math(?:/|$)           http://notenextra-math;
+        ~*://[^/]+/CSE(?:/|$)            http://notenextra-cse;
+    }
+
+
     include       /etc/nginx/mime.types;
 
     # add extra types
@@ -48,6 +56,16 @@ http {
             access_log off;
         }
 
+        # Send all Pagefind assets (/_pagefind.js and /_pagefind/*) to the chosen app
+        # ^~ /_pagefind matches both "/_pagefind.js" and "/_pagefind/..."
+        location ^~ /_pagefind {
+            proxy_pass $pagefind_upstream;   # leaves URI intact (/_pagefind.js, /_pagefind/manifest.json, etc.)
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
         location ~ ^/(build|tests|config|lib|3rdparty|templates|data)/ {
             deny all;
         }