microservice

1. Configserver: This microservice provides as centralized coniguration location
2. ordermicroservice: This is demo microservice which is responsible to take order details from the user further it calls the paymentmicroservice to process the payment
3. paymentmicroservice: This microservice process the payment and retunrs the result back to the orderservice
4. servicereg: This microservice is the service registry in this example I have taken Eureka as a service registry. it is nothing but the EurekaServer where all the microservice list themselves with this service registry
5. springapigateway: This microservice acts as a single point of contact for rest of the world, it also takes care of the fault talaurance/circuit breaker using hystrix

To run this entire ecosystem of microservices, just run each individual microservice as a java application.

Eureka server url : http://localhost:8761/

To execute microservice flow->

a. post url: http://localhost:8989/order/bookorder

b. url body

{
"order": {
    "id": 1010,
  "name":"abd",
  "qty": 10,
  "price": 1010
},
"payment":{}   
}

Configure the above request as a raw json in postman