https://github.com/artembilan/microservices-patterns-spring-integration
https://github.com/artembilan/microservices-patterns-spring-integration/tree/main/circuit-breaker
https://docs.spring.io/spring-integration/docs/current/reference/html/messaging-endpoints.html#circuit-breaker-advice
    threshold - num of failures before breaker goes to open
    halfOpenAfter - 1000 ms

https://github.com/artembilan/microservices-patterns-spring-integration/tree/main/normalizer
https://github.com/artembilan/microservices-patterns-spring-integration/tree/main/distributed-tracing
https://github.com/artembilan/microservices-patterns-spring-integration/tree/main/framer
https://github.com/artembilan/microservices-patterns-spring-integration/tree/main/mrpc
    rpc - gateway in spring integration
https://github.com/artembilan/microservices-patterns-spring-integration/tree/main/outbox

https://docs.spring.io/spring-integration/api/org/springframework/integration/handler/advice/RequestHandlerRetryAdvice.html
https://docs.spring.io/spring-integration/api/org/springframework/integration/handler/advice/RequestHandlerCircuitBreakerAdvice.html