We want to secure our microservices. Security is essential for microservices applications, especially because of the distributed characteristics.
On the microservices architectural style, usually, there is a service that will act as an authentication service. It means this service will authenticate the requests in our microservices group.
Spring Cloud Security provides a declarative model to help developers enable security on applications. There is support for commons patterns such as OAuth 2.0. Also, Spring Boot Security enables Single Sign-On (SSO).
Spring Boot Security also supports relay SSO tokens integrating with Zuul proxy. It means the tokens will be passed to downstream microservices.
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