https://istio.io/docs/concepts/what-is-istio/

https://istio.io/latest/docs/setup/getting-started/

https://www.istioworkshop.io/

https://academy.tetrate.io/courses/istio-fundamentals

https://istio.io/docs/examples/microservices-istio/

https://github.com/askmeegs/learn-istio