- [pod annotations](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/)
- [container environment variables](https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/)
- [ImagePullPolicy](https://kubernetes.io/docs/concepts/containers/images/)
- [priority class name](https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass)

## Repositories

The Istio project is divided across a few GitHub repositories:

- [istio/api](https://github.com/istio/api). This repository defines
component-level APIs and common configuration formats for the Istio platform.

- [istio/community](https://github.com/istio/community). This repository contains

In the case of the sidecar injector, the namespace label `istio-env: <NAME_OF_ENV>` is used instead
of the conventional `istio-injected: true`. The name of the environment is defined as the namespace
where the corresponding control plane components (config, discovery, auto-injection) are running.
In the examples below, by default this is the `istio-control` namespace. Pod annotations can also