Consuming endpoints using a declarative method

Another way of writing client applications for microservices is through the use of Spring Cloud Netflix Feign which utilizes a declarative and easy mechanism of writing clients for RESTful endpoints.

Getting started

Create a new Spring Boot application that is an independent specimen on how to enable Feign as the client solution in a client Spring Boot application that aims to consume exposed web services from typical or Eureka-registered microservices.

How to do it...

Apply the Feign client solution to Spring Boot application by the following steps:

1. Create a Maven project ch10-feign that contains core starter POM such as webflux, actuator, and Tomcat server for Spring Boot 2.0 with the addition of the needed Spring Cloud dependent management configuration which is Spring Cloud Finchley.
2. Add the following Spring Cloud Netflix Feign dependency in the pom.xml.

<dependency> 
    <groupId>org.springframework.cloud</groupId> 
    <artifactId...