add workflow to publish docker images

.github/workflows/release-docker.yml

@@ -0,0 +1,55 @@
+name: Docker
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref }}
+
+      - name: set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: set up docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: login to github packages
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: set docker respository
+        env:
+          OWNER: ${{ github.repository_owner }}
+        run: echo "DOCKER_REPO=ghcr.io/${OWNER,,}" >> $GITHUB_ENV
+
+      - name: set commit date
+        id: set_commit_date
+        run: echo "GIT_DATE=$(git show -s --format='%ct')" >> $GITHUB_ENV
+
+      - name: build op-node docker iamge
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ops/docker/op-stack-go/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ env.DOCKER_REPO }}/op-node:${{ github.ref_name }}
+          target: op-node-target
+
+      - name: build op-batcher docker iamge
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ops/docker/op-stack-go/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ env.DOCKER_REPO }}/op-batcher:${{ github.ref_name }}
+          target: op-batcher-target