From 380f1e96e221e86bf9bfd3b70b7d088b66611c72 Mon Sep 17 00:00:00 2001
From: Julien Francoz <julien-github@francoz.net>
Date: Thu, 17 Aug 2023 22:58:22 +0200
Subject: [PATCH] fix Dockerfile for multi-arch

Signed-off-by: Julien Francoz <julien-github@francoz.net>
---
 Dockerfile | 6 +++---
 Makefile   | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 855272c..e5c84c5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,12 @@
 ARG ARCH="amd64"
 ARG OS="linux"
-FROM alpine:3
+FROM --platform=${OS}/${ARCH} alpine:3
+ARG ARCH="amd64"
+ARG OS="linux"
 LABEL maintainer="The Prometheus Authors <prometheus-developers@googlegroups.com>"
 
 RUN apk add smartmontools
 
-ARG ARCH="amd64"
-ARG OS="linux"
 COPY .build/${OS}-${ARCH}/smartctl_exporter /bin/smartctl_exporter
 
 EXPOSE      9633
diff --git a/Makefile b/Makefile
index 3591265..7734713 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@
 # limitations under the License.
 
 # Needs to be defined before including Makefile.common to auto-generate targets
-DOCKER_ARCHS ?= amd64
+DOCKER_ARCHS ?= amd64 arm64
 DOCKER_REPO  ?= prometheuscommunity
 
 include Makefile.common