diff --git a/docker-compose.yml b/docker-compose.yml
index 114ccc7..db536b5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,3 +1,17 @@
+# Copyright (C) 2023 Thien Tran
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
 version: "3"
 
 services: