multiarch release builds

Signed-off-by: Oleg S <97077423+RobotSail@users.noreply.github.com>

Author: RobotSail

.github/workflows/release.yaml

@@ -172,16 +172,16 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - name: Load container artifact
-        uses: actions/download-artifact@v1
-        with:
-          name: operator-bundle
-          path: /tmp
+      - name: Check out code
+        uses: actions/checkout@v2
 
-      - name: Import container image
-        run: |
-          docker load -i /tmp/bundle.tar
-          docker inspect "${BUNDLE_IMAGE}:${{ env.TAG }}"
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          buildkitd-flags: --debug
 
       - name: Login to registry
         # If the registry server is specified in the image name, we use that.
@@ -190,11 +190,20 @@ jobs:
           [[ "${BUNDLE_IMAGE}" =~ ^([^/]+)/[^/]+/[^/]+ ]] && REGISTRY="${BASH_REMATCH[1]}" || REGISTRY="docker.io"
           echo "Attempting docker login to: ${REGISTRY}"
           echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login -u "${{ secrets.REGISTRY_USERNAME }}" --password-stdin ${REGISTRY}
-          
-      - name: Push to registry (version tag)
-        if: >
-          (github.event_name == 'push' || github.event_name == 'schedule') &&
-          github.ref == 'refs/heads/main'
-        run: |
-          echo "Pushing to ${{ env.TAG }}"
-          docker push "${BUNDLE_IMAGE}:${{ env.TAG }}"
+      - name: "Build Operator Image"
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: "./Dockerfile"
+          platforms: "linux/amd64,linux/arm64"
+          push: true
+          tags: ${{ env.OPERATOR_IMAGE }}
+
+      - name: "Build Bundle Image"
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: "./bundle.Dockerfile"
+          platforms: "linux/amd64,linux/arm64"
+          push: true
+          tags: ${{ env.BUNDLE_IMAGE }}