diff --git a/docker-compose.yml b/docker-compose.yml
index 642e623b9..8d5cebab6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -321,9 +321,8 @@ services:
     environment:
       NODE_ENV: production
       NEXT_PUBLIC_SITE_URL: ${SITE_URL:-http://localhost:3000}
-      # Server-side Supabase URL — direct Docker network access to Kong
-      NEXT_PUBLIC_SUPABASE_URL: http://supabase-kong:8000
-      NEXT_PUBLIC_SUPABASE_PUBLIC_KEY: ${SUPABASE_ANON_KEY}
+      # NEXT_PUBLIC_ vars are baked at build time — runtime values only apply
+      # to middleware/API routes. Don't override with Docker-internal URLs.
       SUPABASE_SECRET_KEY: ${SUPABASE_SERVICE_ROLE_KEY}
       SUPABASE_DB_WEBHOOK_SECRET: ${DB_WEBHOOK_SECRET:-webhooksecret}
       EMAIL_SENDER: ${EMAIL_SENDER:-noreply@myeasycms.de}