diff --git a/.default.env b/.default.env
index 24f6ad9..0e286a4 100644
--- a/.default.env
+++ b/.default.env
@@ -1,4 +1,4 @@
-DOCKER_ID=''
+DOCKER_ID=_0
 PG_RANDOM_ID=${DOCKER_ID}
 POSTGRES_DATABASE=ei${PG_RANDOM_ID}
 POSTGRES_HOST_AUTH_METHOD=md5