authentication</td>
</tr>
<tr id='k8s-ingress-ns'>
<td><a href='#k8s-ingress-ns'><code>K8S_INGRESS_NS</code></a></td>
<td>String</td>
<td><code>istio-system</code></td>
<td>The namespace where ingress controller runs, by default it is istio-system</td>
</tr>
<tr id='k8s-signer'>
<td><a href='#k8s-signer'><code>K8S_SIGNER</code></a></td>
<td>String</td>
<td><code></code></td>
<td>Kubernetes CA Signer type. Valid from Kubernetes 1.18</td>
</tr>
<tr id='kubernetes-service-host'>
<td><a href='#kubernetes-servic