add metadata and registry push

.gitea/workflows/docker-build.yaml

@@ -21,3 +21,15 @@ jobs:
           password: ${{ secrets.DOCKER_TOKEN }}
       - name: use build script
         run: ./dockerbuild.sh
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ secrets.REGISTRY }}/node-jellyfin-role-bot
+      - name: Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}