config/default/webhookcainjection_patch.yaml

# This patch add annotation to admission webhook config and
# CERTIFICATE_NAMESPACE and CERTIFICATE_NAME will be substituted by kustomize
apiVersion: admissionregistration.k8s.io/v1
kind: MutatingWebhookConfiguration
metadata:
  labels:
    app.kubernetes.io/name: mutatingwebhookconfiguration
    app.kubernetes.io/instance: mutating-webhook-configuration
    app.kubernetes.io/component: webhook
    app.kubernetes.io/created-by: teamcity-operator
    app.kubernetes.io/part-of: teamcity-operator
    app.kubernetes.io/managed-by: kustomize
  name: mutating-webhook-configuration
  annotations:
    cert-manager.io/inject-ca-from: CERTIFICATE_NAMESPACE/CERTIFICATE_NAME
---
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
  labels:
    app.kubernetes.io/name: validatingwebhookconfiguration
    app.kubernetes.io/instance: validating-webhook-configuration
    app.kubernetes.io/component: webhook
    app.kubernetes.io/created-by: teamcity-operator
    app.kubernetes.io/part-of: teamcity-operator
    app.kubernetes.io/managed-by: kustomize
  name: validating-webhook-configuration
  annotations:
    cert-manager.io/inject-ca-from: CERTIFICATE_NAMESPACE/CERTIFICATE_NAME