Mastering Microservices with Java - Third Edition

API Gateway as a resource server

We'll modify the Zuul server microservice created in Chapter 6, Microservice Patterns - Part 2 to make it a resource server too. This can be done by following these three steps:

1. First, add the Spring Security and Spring Security OAuth 2 dependencies in pom.xml. Here, the last two dependencies are required to enable the Zuul server as a resource server:

<groupId>org.springframework.cloud</groupId> 
    <artifactId>spring-cloud-starter-security</artifactId> 
</dependency> 
<dependency> 
    <groupId>org.springframework.cloud</groupId> 
    <artifactId>spring-cloud-starter-oauth2</artifactId></dependency>

2. Create a new resource configuration class and annotate it with the @EnableResourceServer annotation. This will allow this ...