diff --git a/compose.yaml b/compose.yaml
index c115aaa..28e07eb 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -1,5 +1,7 @@
 services:
   rag-chatbot:
+    domainname: chat.defang.io
+    x-defang-dns-role: arn:aws:iam::258338292852:role/dnsadmin-39a19c3
     build:
       context: ./app
       shm_size: "16gb"