Building Microservices with Spring Cloud - https://www.youtube.com/watch?v=ZyK5QrKCbwM
- reservation service = http://localhost:8000/reservations/
- config service - http://localhost:8888/reservation-service/master
- eureka server - http://localhost:8761/
- reservation client using zuul proxy to reach reservation service - http://localhost:9999/reservation-service/reservations