Disclaimer:
I have absolutely used as a reference and or template other party configurations/files.
I have tried to reference as much as possible as long it's relevant/useful for the reader.
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/