From 217dbeaf7a39455068f1f93aa62b4d2dbdc5a512 Mon Sep 17 00:00:00 2001
From: Marc <github@wuast24.de>
Date: Tue, 8 Oct 2024 12:50:09 +0200
Subject: [PATCH] Add image source label to dockerfiles

To get changelogs shown with Renovate a docker container has to add the source label described in the OCI Image Format Specification.

For reference: https://github.com/renovatebot/renovate/blob/main/lib/modules/datasource/docker/readme.md

Signed-off-by: Marc <github@wuast24.de>
---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index b1d31b31..a40ebc8a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,7 @@ ARG ARCH="amd64"
 ARG OS="linux"
 FROM quay.io/prometheus/busybox-${OS}-${ARCH}:latest
 LABEL maintainer="The Prometheus Authors <prometheus-developers@googlegroups.com>"
+LABEL org.opencontainers.image.source="https://github.com/prometheus/alertmanager"
 
 ARG ARCH="amd64"
 ARG OS="linux"