gke-deploy/deployer/testing/application.yaml

apiVersion: app.k8s.io/v1beta1
kind: Application
metadata:
  labels:
    app.kubernetes.io/name: nginx
  name: test-app
spec:
  componentKinds:
  - group: apps
    kind: Deployment
  - group: autoscaling
    kind: HorizontalPodAutoscaler
  - group: core
    kind: Service
  descriptor:
    type: nginx
    version: asdf
  selector:
    matchLabels:
      app.kubernetes.io/name: nginx