Kustomize patch (up-to-date)

Yesterday, patching k8s resource via patchesStrategicMerge is deprecated. In the example below, it uses patches. The only thing that changed here is the kustomization.yaml where patches is defined. The output is the same where image is patched.

kustomize build test/
apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  labels:
    run: po
  name: po
spec:
  containers:
  - args:
    - test
    image: nginx:1.25
    name: po
    resources: {}
  dnsPolicy: ClusterFirst
  restartPolicy: Always
status: {}

directory tree:

├── test
│   ├── base
│   │   └── po.yaml
│   ├── kustomization.yaml
│   └── patch
│       └── po-patch.yaml

po.yaml

apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  labels:
    run: po
  name: po
spec:
  containers:
    - args:
        - test
      image: nginx
      name: po
      resources: {}
  dnsPolicy: ClusterFirst
  restartPolicy: Always
status: {}

po-patch.yaml

apiVersion: v1
kind: Pod
metadata:
  name: po
spec:
  containers:
    - name: po
      image: nginx:1.25

kustomization.yaml

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
resources:
  - ./base/po.yaml
patches:
  - path: ./patch/po-patch.yaml