diff --git a/compose.yml b/compose.yml
index bc1bc92..d9d1904 100644
--- a/compose.yml
+++ b/compose.yml
@@ -17,5 +17,8 @@ services:
       # "1" = TLS-Pruefung aus (Notbehelf bei internem CA-Cert).
       DTRACK_INSECURE: ${DTRACK_INSECURE:-0}
       DTRACK_HTTP_ADDR: 0.0.0.0:8080
+      # Admin-UI unter /admin; leer = Admin-UI deaktiviert.
+      DTRACK_ADMIN_USER: ${DTRACK_ADMIN_USER:-}
+      DTRACK_ADMIN_PASSWORD: ${DTRACK_ADMIN_PASSWORD:-}
       RUST_LOG: ${RUST_LOG:-info}
     restart: unless-stopped