apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: busybox
spec:
  components:
    - name: busybox
      type: webservice
      properties:
        image: busybox
        cmd: ["sleep", "86400"]
        labels:
          label-key: label-value
          to-delete-label-key: to-delete-label-value
      traits:
        # the `labels` trait will add/delete label key/value pair to the
        # labels of the workload and the template inside the spec of the workload (if exists)
        # 1. if original labels contains the key, value will be overridden
        # 2. if original labels do not contain the key, value will be added
        # 3. if original labels contains the key and the value is null, the key will be removed
        - type: labels
          properties:
            added-label-key: added-label-value
            label-key: modified-label-value
            to-delete-label-key: null