chore: expose postgres on port 4211 for external access

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker-compose.yml

@@ -21,6 +21,7 @@ services:
 
   postgres:
     image: postgres:16-alpine
+    ports: ["4211:5432"]
     volumes: [pgdata:/var/lib/postgresql/data]
     environment:
       POSTGRES_DB: wraith