From 0472e35e776b854f7e2d23cd9d6992ed4b9f71c3 Mon Sep 17 00:00:00 2001
From: SuperQ <superq@gmail.com>
Date: Mon, 3 Oct 2022 17:44:44 +0200
Subject: [PATCH] Fix up multi-platform container builds

Use the `--platform` flag on `FROM` to build with the correct platform.

Signed-off-by: SuperQ <superq@gmail.com>
---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 1fd60c1..7b27198 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 ARG ARCH="amd64"
 ARG OS="linux"
-FROM ${ARCH}/alpine:3
+FROM --platform ${OS}/${ARCH} alpine:3
 LABEL maintainer="The Prometheus Authors <prometheus-developers@googlegroups.com>"
 
 RUN apk add smartmontools