Kustomization

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization

# resources to deploy
resources:
  - ../../base
  - namespace.yaml # deploy the namespace if it does not exist

# merge with a patch file
patchesJson6902:
  - path: ingress-patch.yaml
    target:
      group: networking.k8s.io
      kind: Ingress
      name: devops-toolkit

# merge with a patch manifest
patchesStrategicMerge:
  - deployment-patch.yaml
namespace: production