Attemp to create really basic microservice. Few components which are comunicating together. H2 databse is storing exchange rates. Services requesting data and reciving rates. Other components properly process user request and computing response.
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Communication between microservices, load balancing, scaling up and down of microservices. Centralized configuration of microservices with Spring Cloud Config Server. Eureka Naming Server and Distributed tracing with Spring Cloud Sleuth and Zipkin.