kubernetes-yaml/learn/learn-kubernetes-master/kiamol/ch21/lab/solution/todo-api.yaml

apiVersion: serving.knative.dev/v1 
kind: Service
metadata:
  name: api
  namespace: todo
  labels:
    kiamol: ch21-lab
spec:
  template:
    spec:
      containers:
        - image: kiamol/ch21-todo-api