chore: fix incorrect option and lint page
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@ -3,7 +3,7 @@ title: "Traefik Kubernetes Ingress Documentation"
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description: "Understand the requirements, routing configuration, and how to set up Traefik Proxy as your Kubernetes Ingress Controller. Read the technical documentation."
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description: "Understand the requirements, routing configuration, and how to set up Traefik Proxy as your Kubernetes Ingress Controller. Read the technical documentation."
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---
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---
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# Traefik & Kubernetes
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# Traefik & Kubernetes
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The Traefik Kubernetes Ingress provider is a Kubernetes Ingress controller; i.e,
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The Traefik Kubernetes Ingress provider is a Kubernetes Ingress controller; i.e,
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it manages access to cluster services by supporting the [Ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) specification.
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it manages access to cluster services by supporting the [Ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) specification.
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@ -42,28 +42,29 @@ and derives the corresponding dynamic configuration from it,
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which in turn creates the resulting routers, services, handlers, etc.
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which in turn creates the resulting routers, services, handlers, etc.
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## Configuration Options
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## Configuration Options
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<!-- markdownlint-disable MD013 -->
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<!-- markdownlint-disable MD013 -->
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| Field | Description | Default | Required |
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| Field | Description | Default | Required |
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|:-----------------------------------------------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:--------|:---------|
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| :------------------------------------------------------------------ | :------------- | :------ | :------- |
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| <a id="providers-providersThrottleDuration" href="#providers-providersThrottleDuration" title="#providers-providersThrottleDuration">`providers.providersThrottleDuration`</a> | Minimum amount of time to wait for, after a configuration reload, before taking into account any new configuration refresh event.<br />If multiple events occur within this time, only the most recent one is taken into account, and all others are discarded.<br />**This option cannot be set per provider, but the throttling algorithm applies to each of them independently.** | 2s | No |
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| <a id="providers-providersThrottleDuration" href="#providers-providersThrottleDuration" title="#providers-providersThrottleDuration">`providers.providersThrottleDuration`</a> | Minimum amount of time to wait for, after a configuration reload, before taking into account any new configuration refresh event.<br />If multiple events occur within this time, only the most recent one is taken into account, and all others are discarded.<br />**This option cannot be set per provider, but the throttling algorithm applies to each of them independently.** | 2s | No |
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| <a id="providers-kubernetesIngress-endpoint" href="#providers-kubernetesIngress-endpoint" title="#providers-kubernetesIngress-endpoint">`providers.kubernetesIngress.endpoint`</a> | Server endpoint URL.<br />More information [here](#endpoint). | "" | No |
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| <a id="providers-kubernetesIngress-endpoint" href="#providers-kubernetesIngress-endpoint" title="#providers-kubernetesIngress-endpoint">`providers.kubernetesIngress.endpoint`</a> | Server endpoint URL.<br />More information [here](#endpoint). | "" | No |
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| <a id="providers-kubernetesIngress-token" href="#providers-kubernetesIngress-token" title="#providers-kubernetesIngress-token">`providers.kubernetesIngress.token`</a> | Bearer token used for the Kubernetes client configuration. | "" | No |
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| <a id="providers-kubernetesIngress-token" href="#providers-kubernetesIngress-token" title="#providers-kubernetesIngress-token">`providers.kubernetesIngress.token`</a> | Bearer token used for the Kubernetes client configuration. | "" | No |
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| <a id="providers-kubernetesIngress-certAuthFilePath" href="#providers-kubernetesIngress-certAuthFilePath" title="#providers-kubernetesIngress-certAuthFilePath">`providers.kubernetesIngress.certAuthFilePath`</a> | Path to the certificate authority file.<br />Used for the Kubernetes client configuration. | "" | No |
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| <a id="providers-kubernetesIngress-certAuthFilePath" href="#providers-kubernetesIngress-certAuthFilePath" title="#providers-kubernetesIngress-certAuthFilePath">`providers.kubernetesIngress.certAuthFilePath`</a> | Path to the certificate authority file.<br />Used for the Kubernetes client configuration. | "" | No |
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| <a id="providers-kubernetesCRD-namespaces" href="#providers-kubernetesCRD-namespaces" title="#providers-kubernetesCRD-namespaces">`providers.kubernetesCRD.namespaces`</a> | Array of namespaces to watch.<br />If left empty, watch all namespaces. | | No |
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| <a id="providers-kubernetesIngress-namespaces" href="#providers-kubernetesIngress-namespaces" title="#providers-kubernetesIngress-namespaces">`providers.kubernetesIngress.namespaces`</a> | Array of namespaces to watch.<br />If left empty, watch all namespaces. | | No |
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| <a id="providers-kubernetesIngress-labelselector" href="#providers-kubernetesIngress-labelselector" title="#providers-kubernetesIngress-labelselector">`providers.kubernetesIngress.labelselector`</a> | Allow filtering on Ingress objects using label selectors.<br />No effect on Kubernetes `Secrets`, `EndpointSlices` and `Services`.<br />See [label-selectors](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors) for details. | "" | No |
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| <a id="providers-kubernetesIngress-labelselector" href="#providers-kubernetesIngress-labelselector" title="#providers-kubernetesIngress-labelselector">`providers.kubernetesIngress.labelselector`</a> | Allow filtering on Ingress objects using label selectors.<br />No effect on Kubernetes `Secrets`, `EndpointSlices` and `Services`.<br />See [label-selectors](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors) for details. | "" | No |
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| <a id="providers-kubernetesIngress-ingressClass" href="#providers-kubernetesIngress-ingressClass" title="#providers-kubernetesIngress-ingressClass">`providers.kubernetesIngress.ingressClass`</a> | The `IngressClass` resource name or the `kubernetes.io/ingress.class` annotation value that identifies resource objects to be processed.<br />If empty, resources missing the annotation, having an empty value, or the value `traefik` are processed. | "" | No |
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| <a id="providers-kubernetesIngress-ingressClass" href="#providers-kubernetesIngress-ingressClass" title="#providers-kubernetesIngress-ingressClass">`providers.kubernetesIngress.ingressClass`</a> | The `IngressClass` resource name or the `kubernetes.io/ingress.class` annotation value that identifies resource objects to be processed.<br />If empty, resources missing the annotation, having an empty value, or the value `traefik` are processed. | "" | No |
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| <a id="providers-kubernetesIngress-disableIngressClassLookup" href="#providers-kubernetesIngress-disableIngressClassLookup" title="#providers-kubernetesIngress-disableIngressClassLookup">`providers.kubernetesIngress.disableIngressClassLookup`</a> | Prevent to discover IngressClasses in the cluster.<br />It alleviates the requirement of giving Traefik the rights to look IngressClasses up.<br />Ignore Ingresses with IngressClass.<br />Annotations are not affected by this option. | false | No |
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| <a id="providers-kubernetesIngress-disableIngressClassLookup" href="#providers-kubernetesIngress-disableIngressClassLookup" title="#providers-kubernetesIngress-disableIngressClassLookup">`providers.kubernetesIngress.disableIngressClassLookup`</a> | Prevent to discover IngressClasses in the cluster.<br />It alleviates the requirement of giving Traefik the rights to look IngressClasses up.<br />Ignore Ingresses with IngressClass.<br />Annotations are not affected by this option. | false | No |
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| <a id="providers-kubernetesIngress-ingressEndpoint-hostname" href="#providers-kubernetesIngress-ingressEndpoint-hostname" title="#providers-kubernetesIngress-ingressEndpoint-hostname">`providers.kubernetesIngress.`<br />`ingressEndpoint.hostname`</a> | Hostname used for Kubernetes Ingress endpoints. | "" | No |
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| <a id="providers-kubernetesIngress-ingressEndpoint-hostname" href="#providers-kubernetesIngress-ingressEndpoint-hostname" title="#providers-kubernetesIngress-ingressEndpoint-hostname">`providers.kubernetesIngress.`<br />`ingressEndpoint.hostname`</a> | Hostname used for Kubernetes Ingress endpoints. | "" | No |
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| <a id="providers-kubernetesIngress-ingressEndpoint-ip" href="#providers-kubernetesIngress-ingressEndpoint-ip" title="#providers-kubernetesIngress-ingressEndpoint-ip">`providers.kubernetesIngress.`<br />`ingressEndpoint.ip`</a> | This IP will get copied to the Ingress `status.loadbalancer.ip`, and currently only supports one IP value (IPv4 or IPv6). | "" | No |
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| <a id="providers-kubernetesIngress-ingressEndpoint-ip" href="#providers-kubernetesIngress-ingressEndpoint-ip" title="#providers-kubernetesIngress-ingressEndpoint-ip">`providers.kubernetesIngress.`<br />`ingressEndpoint.ip`</a> | This IP will get copied to the Ingress `status.loadbalancer.ip`, and currently only supports one IP value (IPv4 or IPv6). | "" | No |
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| <a id="providers-kubernetesIngress-ingressEndpoint-publishedService" href="#providers-kubernetesIngress-ingressEndpoint-publishedService" title="#providers-kubernetesIngress-ingressEndpoint-publishedService">`providers.kubernetesIngress.`<br />`ingressEndpoint.publishedService`</a> | The Kubernetes service to copy status from.<br />More information [here](#ingressendpointpublishedservice). | "" | No |
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| <a id="providers-kubernetesIngress-ingressEndpoint-publishedService" href="#providers-kubernetesIngress-ingressEndpoint-publishedService" title="#providers-kubernetesIngress-ingressEndpoint-publishedService">`providers.kubernetesIngress.`<br />`ingressEndpoint.publishedService`</a> | The Kubernetes service to copy status from.<br />More information [here](#ingressendpointpublishedservice). | "" | No |
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| <a id="providers-kubernetesIngress-throttleDuration" href="#providers-kubernetesIngress-throttleDuration" title="#providers-kubernetesIngress-throttleDuration">`providers.kubernetesIngress.throttleDuration`</a> | Minimum amount of time to wait between two Kubernetes events before producing a new configuration.<br />This prevents a Kubernetes cluster that updates many times per second from continuously changing your Traefik configuration.<br />If empty, every event is caught. | 0s | No |
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| <a id="providers-kubernetesIngress-throttleDuration" href="#providers-kubernetesIngress-throttleDuration" title="#providers-kubernetesIngress-throttleDuration">`providers.kubernetesIngress.throttleDuration`</a> | Minimum amount of time to wait between two Kubernetes events before producing a new configuration.<br />This prevents a Kubernetes cluster that updates many times per second from continuously changing your Traefik configuration.<br />If empty, every event is caught. | 0s | No |
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| <a id="providers-kubernetesIngress-allowEmptyServices" href="#providers-kubernetesIngress-allowEmptyServices" title="#providers-kubernetesIngress-allowEmptyServices">`providers.kubernetesIngress.allowEmptyServices`</a> | Allows creating a route to reach a service that has no endpoint available.<br />It allows Traefik to handle the requests and responses targeting this service (applying middleware or observability operations) before returning a `503` HTTP Status. | false | No |
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| <a id="providers-kubernetesIngress-allowEmptyServices" href="#providers-kubernetesIngress-allowEmptyServices" title="#providers-kubernetesIngress-allowEmptyServices">`providers.kubernetesIngress.allowEmptyServices`</a> | Allows creating a route to reach a service that has no endpoint available.<br />It allows Traefik to handle the requests and responses targeting this service (applying middleware or observability operations) before returning a `503` HTTP Status. | false | No |
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| <a id="providers-kubernetesIngress-allowCrossNamespace" href="#providers-kubernetesIngress-allowCrossNamespace" title="#providers-kubernetesIngress-allowCrossNamespace">`providers.kubernetesIngress.allowCrossNamespace`</a> | Allows the `Ingress` to reference resources in namespaces other than theirs. | false | No |
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| <a id="providers-kubernetesIngress-allowCrossNamespace" href="#providers-kubernetesIngress-allowCrossNamespace" title="#providers-kubernetesIngress-allowCrossNamespace">`providers.kubernetesIngress.allowCrossNamespace`</a> | Allows the `Ingress` to reference resources in namespaces other than theirs. | false | No |
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| <a id="providers-kubernetesIngress-allowExternalNameServices" href="#providers-kubernetesIngress-allowExternalNameServices" title="#providers-kubernetesIngress-allowExternalNameServices">`providers.kubernetesIngress.allowExternalNameServices`</a> | Allows the `Ingress` to reference ExternalName services. | false | No |
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| <a id="providers-kubernetesIngress-allowExternalNameServices" href="#providers-kubernetesIngress-allowExternalNameServices" title="#providers-kubernetesIngress-allowExternalNameServices">`providers.kubernetesIngress.allowExternalNameServices`</a> | Allows the `Ingress` to reference ExternalName services. | false | No |
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| <a id="providers-kubernetesIngress-nativeLBByDefault" href="#providers-kubernetesIngress-nativeLBByDefault" title="#providers-kubernetesIngress-nativeLBByDefault">`providers.kubernetesIngress.nativeLBByDefault`</a> | Allow using the Kubernetes Service load balancing between the pods instead of the one provided by Traefik for every `Ingress` by default.<br />It can br overridden in the [`ServerTransport`](../../../../routing/services/index.md#serverstransport). | false | No |
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| <a id="providers-kubernetesIngress-nativeLBByDefault" href="#providers-kubernetesIngress-nativeLBByDefault" title="#providers-kubernetesIngress-nativeLBByDefault">`providers.kubernetesIngress.nativeLBByDefault`</a> | Allow using the Kubernetes Service load balancing between the pods instead of the one provided by Traefik for every `Ingress` by default.<br />It can br overridden in the [`ServerTransport`](../../../../routing/services/index.md#serverstransport). | false | No |
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| <a id="providers-kubernetesIngress-disableClusterScopeResources" href="#providers-kubernetesIngress-disableClusterScopeResources" title="#providers-kubernetesIngress-disableClusterScopeResources">`providers.kubernetesIngress.disableClusterScopeResources`</a> | Prevent from discovering cluster scope resources (`IngressClass` and `Nodes`).<br />By doing so, it alleviates the requirement of giving Traefik the rights to look up for cluster resources.<br />Furthermore, Traefik will not handle Ingresses with IngressClass references, therefore such Ingresses will be ignored (please note that annotations are not affected by this option).<br />This will also prevent from using the `NodePortLB` options on services. | false | No |
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| <a id="providers-kubernetesIngress-disableClusterScopeResources" href="#providers-kubernetesIngress-disableClusterScopeResources" title="#providers-kubernetesIngress-disableClusterScopeResources">`providers.kubernetesIngress.disableClusterScopeResources`</a> | Prevent from discovering cluster scope resources (`IngressClass` and `Nodes`).<br />By doing so, it alleviates the requirement of giving Traefik the rights to look up for cluster resources.<br />Furthermore, Traefik will not handle Ingresses with IngressClass references, therefore such Ingresses will be ignored (please note that annotations are not affected by this option).<br />This will also prevent from using the `NodePortLB` options on services. | false | No |
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| <a id="providers-kubernetesIngress-strictPrefixMatching" href="#providers-kubernetesIngress-strictPrefixMatching" title="#providers-kubernetesIngress-strictPrefixMatching">`providers.kubernetesIngress.strictPrefixMatching`</a> | Make prefix matching strictly comply with the Kubernetes Ingress specification (path-element-wise matching instead of character-by-character string matching). For example, a PathPrefix of `/foo` will match `/foo`, `/foo/`, and `/foo/bar` but not `/foobar`. | false | No |
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| <a id="providers-kubernetesIngress-strictPrefixMatching" href="#providers-kubernetesIngress-strictPrefixMatching" title="#providers-kubernetesIngress-strictPrefixMatching">`providers.kubernetesIngress.strictPrefixMatching`</a> | Make prefix matching strictly comply with the Kubernetes Ingress specification (path-element-wise matching instead of character-by-character string matching). For example, a PathPrefix of `/foo` will match `/foo`, `/foo/`, and `/foo/bar` but not `/foobar`. | false | No |
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<!-- markdownlint-enable MD013 -->
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<!-- markdownlint-enable MD013 -->
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@ -81,7 +82,7 @@ Both are mounted automatically when deployed inside Kubernetes.
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The endpoint may be specified to override the environment variable values inside
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The endpoint may be specified to override the environment variable values inside
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a cluster.
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a cluster.
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When the environment variables are not found, Traefik tries to connect to the
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When the environment variables are not found, Traefik tries to connect to the
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Kubernetes API server with an external-cluster client.
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Kubernetes API server with an external-cluster client.
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In this case, the endpoint is required.
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In this case, the endpoint is required.
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@ -105,7 +106,7 @@ providers:
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--providers.kubernetesingress.endpoint=http://localhost:8080
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--providers.kubernetesingress.endpoint=http://localhost:8080
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```
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```
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### `ingressEndpoint.publishedService`
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### `ingressEndpoint.publishedService`
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Format: `namespace/servicename`.
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Format: `namespace/servicename`.
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@ -136,17 +137,16 @@ providers:
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--providers.kubernetesingress.ingressendpoint.publishedservice=namespace/foo-service
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--providers.kubernetesingress.ingressendpoint.publishedservice=namespace/foo-service
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```
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```
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## Routing Configuration
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## Routing Configuration
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See the dedicated section in [routing](../../../../routing/providers/kubernetes-ingress.md).
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See the dedicated section in [routing](../../../../routing/providers/kubernetes-ingress.md).
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## Further
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## Further
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To learn more about the various aspects of the Ingress specification that
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To learn more about the various aspects of the Ingress specification that
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Traefik supports,
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Traefik supports,
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many examples of Ingresses definitions are located in the test
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many examples of Ingresses definitions are located in the test
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[examples](https://github.com/traefik/traefik/tree/v3.1/pkg/provider/kubernetes/ingress/fixtures)
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[examples](https://github.com/traefik/traefik/tree/v3.1/pkg/provider/kubernetes/ingress/fixtures)
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of the Traefik repository.
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of the Traefik repository.
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{!traefik-for-business-applications.md!}
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{!traefik-for-business-applications.md!}
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