Add release workflow to build and publish image

.github/workflows/release.yml

@@ -0,0 +1,50 @@
+name: Build release image
+
+on:
+  release:
+    types:
+      - created
+
+env:
+  GHCR_IMAGE: ghcr.io/${{ github.repository }}
+
+jobs:
+  docker:
+    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: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/[email protected]
+        with:
+          images: ${{ env.GHCR_IMAGE }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          file: Containerfile
+          context: .
+          platforms: linux/ppc64le
+          push: true
+          tags: |
+            ${{ steps.meta.outputs.tags }}
+            ${{ env.GHCR_IMAGE }}:latest
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+

deployment/kubesentry-daemonset.yaml

@@ -15,7 +15,7 @@ spec:
     spec:
       containers:
         - name: kube-sentry
-          image: quay.io/kviswana/kube-sentry:0.1
+          image: ghcr.io/ppc64le-cloud/kube-sentry:v0.1
           env:
             - name: VERBOSITY
               value: "0"