feat: add multi-arch build support

Author: guitavano

.github/workflows/publish-docker.yml

@@ -19,6 +19,12 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with:
@@ -40,6 +46,7 @@ jobs:
         with:
           context: ./containers
           file: ./containers/bun.Dockerfile
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

containers/bun.Dockerfile

@@ -1,3 +1,3 @@
 FROM oven/bun:1-alpine
-
+# Add git to allow submodules to be cloned
 RUN apk add --no-cache git