diff --git a/.dockerignore b/.dockerignore
index 436bce5..6a48e8e 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: WTF Kooperative eG <https://wtf-eg.de/>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 *
 !Pipfile
 !Pipfile.lock