Added multiarch builds

.github/workflows/build.yml

@@ -8,11 +8,18 @@ env:
 
 jobs:   
   build-image:
+    name: Build and Push Docker Image
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         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 the Container registry
         uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
         with:
@@ -22,17 +29,25 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            # set latest tag for default branch
+            type=raw,value=latest,enable={{is_default_branch}}
 
       - name: Build and push Docker image
-        id: push
-        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        id: docker_build_and_push
+        uses: docker/build-push-action@v5
         with:
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm/v7,linux/arm64
+
+      - name: Image digests
+        run: |
+          echo image digest: ${{ steps.docker_build_and_push.outputs.digest }}