Add Image workflow

.github/workflows/image.yaml

@@ -0,0 +1,39 @@
+name: image
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  push-policy-reporter:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Push image
+        id: params
+        run: |
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+          echo VERSION=$VERSION
+          echo "::set-output name=version::$VERSION"
+
+      - name: login to GitHub Container Registry
+        run: echo ${{ secrets.CR_PAT }} | docker login ghcr.io -u ${{ github.repository_owner }} --password-stdin
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        id: buildx
+        with:
+          install: true
+          version: latest
+
+      - name: docker images publish
+        run: |
+          make IMAGE_TAG="${{ steps.params.outputs.version }}" docker-push

Makefile

@@ -1,6 +1,6 @@
 GO ?= go
 BUILD ?= build
-REPO ?= fjogeleit/policy-reporter
+REPO ?= ghcr.io/kyverno/policy-reporter
 IMAGE_TAG ?= 1.8.6
 LD_FLAGS="-s -w"