Chapter 4: Securing the Microservices

Protecting microservices' interfaces as well as the world encompassed by them is a crucial facet for any application development. Various topologies, tools, and frameworks have arisen in recent times to address the security aspects of web services/microservices. In the course of this chapter, we will dive into some core and often-used security paradigms in microservices. We will continue with the pet-clinic application from the previous chapter. For hands-on work, we will work toward securing microservices while covering the following authentication strategies in the Micronaut framework:

• pet-owner: Working hands-on to secure pet-owner microservice endpoints using session authentication
• pet-clinic: Working hands-on to secure pet-clinic microservice endpoints using JWT authentication
• pet-clinic-review: Working hands-on to secure pet-clinic-review microservice endpoints using OAuth authentication

With the aforementioned...