diff --git a/docker/nginx/nginx.conf b/docker/nginx/nginx.conf
index c1aeebc56..3865ee8d0 100644
--- a/docker/nginx/nginx.conf
+++ b/docker/nginx/nginx.conf
@@ -35,6 +35,9 @@ server {
     location /3/ {
         proxy_pass http://django-api;
     }
+    location /1/ {
+        proxy_pass http://django-api;
+    }
     location /admin/ {
         proxy_pass http://django-api;
     }
diff --git a/docs/features/catalog-stats.md b/docs/features/catalog-stats.md
index bff7de7fe..0b2a34333 100644
--- a/docs/features/catalog-stats.md
+++ b/docs/features/catalog-stats.md
@@ -447,3 +447,12 @@ columns with no `card` in the predicate, which the model's pre-existing
 `(card, anonymous_id)` index cannot serve (leading-column mismatch). See
 migration `0096`'s own docstring for the full reasoning, including why
 `anonymous_id` leads the composite index.
+
+## Deployment: nginx must route /1/ to django (PR #668)
+
+`docker/nginx/nginx.conf` must include a `location /1/` proxy block
+forwarding to `http://django-api`, without which every /1/ request
+returns a 404 at nginx. The stats page (`GET 1/catalogStats/`) renders
+"The stats cache hasn't been computed yet" and the homepage participation
+graph (`GET 1/funnelCounts/`) shows an error. The block was added in
+PR #668; see [[../infrastructure.md]] for the full nginx setup.