From 455f833a57c6e46c857d1dcc3e3f905b840e4395 Mon Sep 17 00:00:00 2001
From: Toby Bellwood <toby.bellwood@amazee.io>
Date: Wed, 24 Apr 2024 15:54:32 +1000
Subject: [PATCH] build: enable multiarch image build

---
 .github/workflows/build_and_publish.yml | 1 +
 Dockerfile                              | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build_and_publish.yml b/.github/workflows/build_and_publish.yml
index 99eb14b..96429a1 100644
--- a/.github/workflows/build_and_publish.yml
+++ b/.github/workflows/build_and_publish.yml
@@ -52,6 +52,7 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
diff --git a/Dockerfile b/Dockerfile
index 2d4ff1c..46cd597 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,7 @@ COPY internal/ internal/
 COPY cmlib/ cmlib/
 
 # Build
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o manager main.go
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=${ARCH} go build -a -o manager main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details