An example of Kubernetes MutatingWebhookConfiguration for the admission controller webhook server

AdmissionMutatingWebhookConfiguration.yaml

apiVersion: admissionregistration.k8s.io/v1
kind: MutatingWebhookConfiguration
metadata:
  name: kubernetes-sidecar-injector
webhooks:
- name: kubernetes-sidecar-injector.default.svc
  admissionReviewVersions:
    - v1
  sideEffects: "NoneOnDryRun"
  reinvocationPolicy: "Never"
  timeoutSeconds: 10
  objectSelector:
    matchExpressions:
    - key: sidecar.me/inject
      operator: In
      values:
      - "True"
      - "true"
  rules:
  - apiGroups:
    - ""
    apiVersions:
    - v1
    operations:
    - CREATE
    resources:
    - pods
    scope: '*'
  clientConfig:
    service:
      namespace: default
      name: kubernetes-sidecar-injector
      path: "/mutation/pod"
    caBundle: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0t...