apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: myapp
  namespace: default
spec:
  components:
    - name: mycomp
      type: kube-worker
      properties: 
        image: nginx:1.14.0
      traits:
        - type: scaler
          properties:
            replicas: 2
        - type: virtualgroup
          properties:
            group: "my-group1"
            type: "cluster"