use the equivalent component in `istio-system`, configured with the official installer, or use a different
version or implementation.

For example, you may use your own Prometheus and Grafana installs, or you may use a specialized/custom
certificate provisioning tool, or use components that are centrally managed and running in a different cluster.

Explicitly set values have highest priority, then profile settings, then chart defaults.

As an implementation detail of profiles, the default values for the chart are all nested under `defaults`.
When configuring the chart, you should not include this.

When configuring the chart, you should not include this.
That is, `--set some.field=true` should be passed, not `--set defaults.some.field=true`.

### Ambient

To enable ambient, you can use the ambient profile: `--set profile=ambient`.

#### Calico

For Calico, you must also modify the settings to allow source spoofing:

Explicitly set values have highest priority, then profile settings, then chart defaults.

As an implementation detail of profiles, the default values for the chart are all nested under `defaults`.
When configuring the chart, you should not include this.
That is, `--set some.field=true` should be passed, not `--set defaults.some.field=true`.

### Examples

#### Configuring mesh configuration settings

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
```

In this README:

- [Introduction](#introduction)
- [Repositories](#repositories)
- [Issue management](#issue-management)

In addition, here are some other documents you may wish to read:

- [Istio Community](https://github.com/istio/community#istio-community) - describes how to get involved and contribute to the Istio project

Explicitly set values have highest priority, then profile settings, then chart defaults.

As an implementation detail of profiles, the default values for the chart are all nested under `defaults`.
When configuring the chart, you should not include this.