2020
https://piotrminkowski.com/2020/06/03/circuit-breaker-and-retries-on-kubernetes-with-istio-and-spring-boot/
https://piotrminkowski.com/2020/06/01/service-mesh-on-kubernetes-with-istio-and-spring-boot/
    https://github.com/piomin/sample-istio-services