1)In this I created two service one is Employee microservice and another one is Salary microservice and both this service can communicated with each other.
2)For centerlized Communication I use Spring Cloud API Gateway through this gateway user can communicated with any microservice.
3)For Security I use Spring Security which is implemented in User microservice.
4)Employee details are comming for Employee database through Employee microservice and Salary details are comming for Salary database through Salary microservice.