update values.yaml comments and README

chart/README.md

@@ -32,7 +32,10 @@ A Helm chart for https://github.com/sap/redis-operator
 | resources.requests.memory | string | `"128Mi"` | Memory request |
 | service.type | string | `"ClusterIP"` | Service type |
 | service.port | int | `443` | Service port |
-| webhook.certManager.enabled | bool | `false` |  |
+| webhook.certManager.enabled | bool | `false` | Whether to use cert-manager to manage webhook tls |
+| webhook.certManager.issuerGroup | string | `""` | Issuer group (only relevant if enabled is true; if unset, the default cert-manager group is used) |
+| webhook.certManager.issuerKind | string | `""` | Issuer kind (only relevant if enabled is true; if unset, the default cert-manager type 'Issuer' is used) |
+| webhook.certManager.issuerName | string | `""` | Issuer name (only relevant if enabled is true; if unset, a self-signed issuer is used) |
 
 ----------------------------------------------
 Autogenerated from chart metadata using [helm-docs v1.11.0](https://github.com/norwoodj/helm-docs/releases/v1.11.0)

chart/values.yaml

@@ -70,4 +70,11 @@ service:
 
 webhook:
   certManager:
+    # -- Whether to use cert-manager to manage webhook tls
     enabled: false
+    # -- Issuer group (only relevant if enabled is true; if unset, the default cert-manager group is used)
+    issuerGroup: ""
+    # -- Issuer kind (only relevant if enabled is true; if unset, the default cert-manager type 'Issuer' is used)
+    issuerKind: ""
+    # -- Issuer name (only relevant if enabled is true; if unset, a self-signed issuer is used)
+    issuerName: ""