diff --git a/docker-compose.yml b/docker-compose.yml
index cede6a4..0a28673 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -137,6 +137,10 @@ services:
 
   nginx:
     image: nginx:1.27-alpine
+    # Restart on failure: a concurrent stack restart can start nginx before the
+    # backend's DNS entry exists ("host not found in upstream"), which is fatal
+    # at config load — retrying once dependencies are up self-heals the gateway.
+    restart: unless-stopped
     volumes:
       - ./infra/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
     depends_on: