fix: add user mapping for database container.

docker-compose.yml

@@ -2,6 +2,7 @@ services:
   db:
     image: postgres:17-alpine
     container_name: aurora_db
+    user: "${UID:-1000}:${GID:-1000}"
     environment:
       - POSTGRES_USER=${DB_USER}
       - POSTGRES_PASSWORD=${DB_PASSWORD}