Add doc

docs/content/routing/providers/kubernetes-crd.md

@@ -342,6 +342,9 @@ Register the `IngressRoute` [kind](../../reference/dynamic-configuration/kuberne
   flushInterval: 1ms
   scheme: https
   serversTransport: transport # [10]
+  healthCheck: # [11]
+  path: /health
+  interval: 15s
   sticky:
   cookie:
   httpOnly: true
@@ -351,16 +354,16 @@ Register the `IngressRoute` [kind](../../reference/dynamic-configuration/kuberne
   maxAge: 42 
   strategy: RoundRobin
   weight: 10
-  nativeLB: true # [11]
-  tls: # [12]
-  secretName: supersecret # [13]
-  options: # [14]
-  name: opt # [15]
-  namespace: default # [16]
-  certResolver: foo # [17]
-  domains: # [18]
-  - main: example.net # [19]
-  sans: # [20]
+  nativeLB: true # [12]
+  tls: # [13]
+  secretName: supersecret # [14]
+  options: # [15]
+  name: opt # [16]
+  namespace: default # [17]
+  certResolver: foo # [18]
+  domains: # [19]
+  - main: example.net # [20]
+  sans: # [21]
   - a.example.net
   - b.example.net
  ```
@@ -377,16 +380,17 @@ Register the `IngressRoute` [kind](../../reference/dynamic-configuration/kuberne
 | [8] | `routes[n].services` | List of any combination of [TraefikService](#kind-traefikservice) and reference to a [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) (See below for `ExternalName Service` setup) |
 | [9] | `services[n].port` | Defines the port of a [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/). This can be a reference to a named port. |
 | [10] | `services[n].serversTransport` | Defines the reference to a [ServersTransport](#kind-serverstransport). The ServersTransport namespace is assumed to be the [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) namespace (see [ServersTransport reference](#serverstransport-reference)). |
-| [11] | `services[n].nativeLB` | Controls, when creating the load-balancer, whether the LB's children are directly the pods IPs or if the only child is the Kubernetes Service clusterIP. |
-| [12] | `tls` | Defines [TLS](../routers/index.md#tls) certificate configuration |
-| [13] | `tls.secretName` | Defines the [secret](https://kubernetes.io/docs/concepts/configuration/secret/) name used to store the certificate (in the `IngressRoute` namespace) |
-| [14] | `tls.options` | Defines the reference to a [TLSOption](#kind-tlsoption) |
-| [15] | `options.name` | Defines the [TLSOption](#kind-tlsoption) name |
-| [16] | `options.namespace` | Defines the [TLSOption](#kind-tlsoption) namespace |
-| [17] | `tls.certResolver` | Defines the reference to a [CertResolver](../routers/index.md#certresolver) |
-| [18] | `tls.domains` | List of [domains](../routers/index.md#domains) |
-| [19] | `domains[n].main` | Defines the main domain name |
-| [20] | `domains[n].sans` | List of SANs (alternative domains) |
+| [11] | `services[n].healthCheck` | Defines the HealthCheck when service reference a [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type ExternalName. |
+| [12] | `services[n].nativeLB` | Controls, when creating the load-balancer, whether the LB's children are directly the pods IPs or if the only child is the Kubernetes Service clusterIP. |
+| [13] | `tls` | Defines [TLS](../routers/index.md#tls) certificate configuration |
+| [14] | `tls.secretName` | Defines the [secret](https://kubernetes.io/docs/concepts/configuration/secret/) name used to store the certificate (in the `IngressRoute` namespace) |
+| [15] | `tls.options` | Defines the reference to a [TLSOption](#kind-tlsoption) |
+| [16] | `options.name` | Defines the [TLSOption](#kind-tlsoption) name |
+| [17] | `options.namespace` | Defines the [TLSOption](#kind-tlsoption) namespace |
+| [18] | `tls.certResolver` | Defines the reference to a [CertResolver](../routers/index.md#certresolver) |
+| [19] | `tls.domains` | List of [domains](../routers/index.md#domains) |
+| [20] | `domains[n].main` | Defines the main domain name |
+| [21] | `domains[n].sans` | List of SANs (alternative domains) |
 
 ??? example "Declaring an IngressRoute"