diff --git a/.env b/.env
index 80300fc..1144471 100644
--- a/.env
+++ b/.env
@@ -19,6 +19,8 @@ MONITOR_HOST=ocrd-monitor # name/address of server
 MONITOR_PORT_WEB=5000 # host-side port to exposed Web server
 MONITOR_PORT_LOG=8088 # host-side port to exposed Dozzle (Docker log viewer)
 MONITOR_PORT_DBM=8082 # host-side port to exposed OCR-D Database Management (Mongo Express)
+MONITOR_DB_ROOT_USER=root # root user of OCR-D database
+MONITOR_DB_ROOT_USER=root_password # root password of OCR-D database
 
 # Controller SSH server (with-ocrd-controller)
 CONTROLLER_BASE_VERSION=maximum-cuda # tag of ocrd/all from stage version