If you install with `helm install istio-gateway istio/gateway`, resources will be named `istio-gateway` and the `selector` labels set to:

```yaml
app: istio-gateway
istio: gateway # the release name with leading istio- prefix stripped
```

If your existing installation doesn't follow these names, you can override them. For example, if you have resources named `my-custom-gateway` with `selector` labels
`foo=bar,istio=ingressgateway`:

```

### Gateways

A cluster may use multiple Gateways, each with a different load balancer IP, domains and certificates.

Since the domain certificates are stored in the gateway namespace, it is recommended to keep each
gateway in a dedicated namespace and restrict access.

For large-scale gateways it is optionally possible to use a dedicated pilot in the gateway namespace.

### Additional test templates

``` bash
istioctl manifest generate --set values.gateways.istio-ingressgateway.enabled=false \
--set values.gateways.istio-egressgateway.enabled=true \
--set 'values.gateways.istio-egressgateway.secretVolumes[0].name'=egressgateway-certs \
--set 'values.gateways.istio-egressgateway.secretVolumes[0].secretName'=istio-egressgateway-certs \
--set 'values.gateways.istio-egressgateway.secretVolumes[0].mountPath'=/etc/istio/egressgateway-certs

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