add license header

metio · Jan 29, 2024 · a21a7fe · a21a7fe
1 parent 1b07f75
commit a21a7fe
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/contrib/Dockerfile b/contrib/Dockerfile
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: The matrix-alertmanager-receiver Authors
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 FROM golang:1.21-alpine AS build
 WORKDIR /app
 COPY go.mod go.sum ./