フラグを有効にした場合のみリソースを追加したい

input.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: demo
  name: demo
spec:
  replicas: 1
  selector:
    matchLabels:
      app: demo
  template:
    metadata:
      labels:
        app: demo
    spec:
      containers:
      - image: ghcr.io/making/hello-tanzu
        name: hello-tanzu

overlay.yml

#@ load("@ytt:data", "data")
#@ if data.values.ingress.enabled:
apiVersion: networking.k8s.io/v1
kind: Ingress
spec: {}
#@ end

values.yml

#@data/values
---
ingress:
  enabled: True