Alters nginx config for backend proxying to prevent caching in double-proxied environs

2026-07-04 19:45:02 +00:00
parent 562c28b6cb
commit 8a3f8984f9
1 changed files with 8 additions and 0 deletions
@@ -34,5 +34,13 @@ server {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
+
+        # Disable caching through the double-proxy chain (NPM → frontend nginx → API)
+        # Without this, browsers cache responses keyed by the HTTPS origin, then send
+        # conditional requests (If-None-Match) that get lost or mismatched in the proxy chain.
+        proxy_cache off;
+        add_header Cache-Control "no-store, no-cache, must-revalidate" always;
+        add_header Pragma "no-cache" always;
+        add_header Vary "*" always;
    }
 }