Create workflow to build and release docker image on ghcr

.github/workflows/release-docker.yml

@@ -0,0 +1,35 @@
+name: Release Multi-Arch Docker Image
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build-and-push-docker:
+    runs-on: self-hosted
+    steps:
+      - name: Checkout code
+        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:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push multi-arch image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ghcr.io/${{ github.repository }}:${{ github.event.release.tag_name }}
+            ghcr.io/${{ github.repository }}:latest