ci(release): push image after release

Signed-off-by: Aljoscha Poertner <aljoscha.poertner@hellmann.com>

.github/workflows/release.yml

@@ -40,4 +40,37 @@ jobs:
         uses: ncipollo/release-action@v1
         with:
           artifacts: "target/release/runo,target/release/checksum.txt"
-          bodyFile: "CHANGELOG.md"
+          bodyFile: "CHANGELOG.md"
+  image:
+    name: Build and push image
+    runs-on: ubuntu-latest
+    needs: release
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Debug
+        run: |
+          echo "github.ref -> {{ github.ref }}"
+      - name: Log in to the Container registry
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set metadata
+        id: metadata
+        uses: docker/metadata-action@v3
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{version}}
+      - name: Build and push image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.metadata.outputs.tags }}
+          labels: ${{ steps.metadata.outputs.labels }}