fluxcd-flux2/cmd/flux/testdata/debug_kustomization/objects.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: {{ .fluxns }}
---
apiVersion: kustomize.toolkit.fluxcd.io/v1
kind: Kustomization
metadata:
  name: test
  namespace: {{ .fluxns }}
spec:
  sourceRef:
    kind: GitRepository
    name: test
  interval: 1m
  path: "./"
  prune: true
  postBuild:
   substitute:
     TEST_OVERRIDE: "in-line"
     TEST_INLINE: "in-line"
   substituteFrom:
     - kind: ConfigMap
       name: test
     - kind: Secret
       name: test
---
apiVersion: kustomize.toolkit.fluxcd.io/v1
kind: Kustomization
metadata:
  name: test-from
  namespace: {{ .fluxns }}
spec:
  sourceRef:
    kind: GitRepository
    name: test
  interval: 1m
  path: "./"
  prune: true
  postBuild:
    substituteFrom:
      - kind: ConfigMap
        name: test
      - kind: Secret
        name: test
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: test
  namespace: {{ .fluxns }}
data:
  TEST_OVERRIDE: "cm"
  TEST_CM: "cm"
---
apiVersion: v1
kind: Secret
metadata:
  name: test
  namespace: {{ .fluxns }}
stringData:
  TEST_OVERRIDE: "secret"
  TEST_SECRET: "secret"