Stuff
Glossary
https://istio.io/latest/docs/reference/glossary/
Workload
https://istio.io/latest/docs/reference/glossary/#workload
https://kiali.io/docs/architecture/terminology/concepts/#workload
https://istio.io/latest/docs/ops/deployment/vm-architecture/
Sidecar
https://kubebyexample.com/learning-paths/istio/intro
Notes for myself
Internal and external authentication should be set together.
https://istio.io/latest/docs/ops/diagnostic-tools/proxy-cmd/