add arm64 arch for docker build (#160)

jonasvinther · May 27, 2024 · f8eb43e · f8eb43e
1 parent 9a6ebad
commit f8eb43e
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Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/.github/workflows/release-docker.yml b/.github/workflows/release-docker.yml
@@ -26,13 +26,19 @@ jobs:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
 
       - name: Build and push Docker image
-        id: docker_build
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v3
         with:
           context: .
           push: true
+          platforms: linux/amd64,linux/arm64
           build-args: |
             VERSION=${{ env.TAG }}
           tags: |

diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,6 @@
-FROM golang:alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:alpine AS builder
 ARG VERSION
+ARG TARGETARCH
 
 RUN apk update && apk add --no-cache git
 
@@ -11,7 +12,7 @@ ADD . .
 
 RUN go mod download
 RUN go get -d -v
-RUN CGO_ENABLED=0 GOOS=linux go build \
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH} go build \
     -ldflags="-X 'github.com/jonasvinther/medusa/cmd.Version=${VERSION}'" \
     -o /go/bin/medusa