From 70b98b603b61152a98332a8a149a6812fd7000b4 Mon Sep 17 00:00:00 2001
From: Sidd Shah <shah.sidd@icloud.com>
Date: Fri, 3 Apr 2020 23:45:49 -0400
Subject: [PATCH] Add build args args: operating system (OS) and architecture
 (ARCH)

---
 Dockerfile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index b89b538..fbc79d7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,8 @@
 FROM golang:alpine as builder
 
+ARG OS
+ARG ARCH
+
 WORKDIR /go/src/github.com/eko/pihole-exporter
 COPY . .
 
@@ -7,7 +10,7 @@ RUN apk update && \
     apk --no-cache add git alpine-sdk upx
 
 RUN GO111MODULE=on go mod vendor
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags '-s -w' -o binary ./
+RUN CGO_ENABLED=0 GOOS=$OS GOARCH=$ARCH go build -ldflags '-s -w' -o binary ./
 RUN upx -f --brute binary
 
 FROM scratch