ci: build image for arm64 arch in workflow

.github/workflows/deploy.yml

@@ -25,6 +25,12 @@ jobs:
           role-to-assume: arn:aws:iam::767398076546:role/deployment
           aws-region: us-east-1
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Login to Amazon ECR
         id: login-ecr
         uses: aws-actions/amazon-ecr-login@v2
@@ -38,6 +44,9 @@ jobs:
           REGISTRY: ${{ steps.login-ecr.outputs.registry }}
           REPOSITORY: bank
           IMAGE_TAG: ${{ github.sha }}
-        run: |
-          docker build -t $REGISTRY/$REPOSITORY:$IMAGE_TAG .
-          docker push $REGISTRY/$REPOSITORY:$IMAGE_TAG
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/arm64
+          push: true
+          tags: $REGISTRY/$REPOSITORY:$IMAGE_TAG