chore: build Docker image for arm64

Author: devgianlu

.github/workflows/docker.yml

@@ -30,6 +30,10 @@ jobs:
         with:
           cosign-release: 'v2.2.4'
 
+      # Setup QEMU to be able to build images for multiple platforms
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
       - name: Set up Docker Buildx
@@ -57,6 +61,7 @@ jobs:
         uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,14 +1,14 @@
 FROM alpine:3.20 AS build
 
-RUN apk -U --no-cache add go alsa-lib-dev libogg-dev libvorbis-dev
+RUN apk -U --no-cache add go alsa-lib-dev libogg-dev libvorbis-dev gcc musl-dev
 
 WORKDIR /src
 
 COPY go.mod go.sum ./
 RUN go mod download
 
 COPY . .
-RUN go build -v ./cmd/daemon
+RUN CGO_ENABLED=1 go build -v ./cmd/daemon
 
 FROM alpine:3.20