The `argocd` command needs to have its own OIDC client configuration,
since it works like a "public" client. To log in, run
```sh
argocd login argocd.pyrocufflink.blue --sso
```
[Argo CD] is a Kubernetes-native GitOps/continuous deployment manager.
It monitors the state of Kubnernetes resources, such as Pods,
Deployments, ConfigMaps, Secrets, and Custom Resources, and synchronizes
them with their canonical definitions from a Git repository.
*Argo CD* consists of various components, including a Repository
Service, an Application Controller, a Notification Controller, and an
API server/Web UI. It also has some optional components, such as a
bundled Dex server for authentication/authorization, and an
ApplicationSet controller, which we will not be using.
[Argo CD]: https://argo-cd.readthedocs.io/