apiVersion: core.oam.dev/v1beta1
kind: ComponentDefinition
metadata:
  name: kube-worker
  namespace: default
spec:
  workload: 
    definition: 
      apiVersion: apps/v1
      kind: Deployment
  schematic:
    kube: 
      template:
        apiVersion: apps/v1
        kind: Deployment
        spec:
          selector:
            matchLabels:
              app: nginx
          template:
            metadata:
              labels:
                app: nginx
            spec:
              containers:
              - name: nginx
                ports:
                - containerPort: 80 
      parameters: 
      - name: image
        required: true
        type: string
        fieldPaths: 
        - "spec.template.spec.containers[0].image"