9 Securing your microservices
This chapter covers
- Learning why security matters in a microservice environment
- Understanding OAuth2 and OpenID
- Setting up and configuring Keycloak
- Performing authentication and authorization with Keycloak
- Protecting your Spring microservice with Keycloak
- Propagating access tokens between services
Now that we have a robust microservices architecture, the task of covering security vulnerabilities becomes more and more essential. In this chapter, security and vulnerability go hand in hand. We’ll define vulnerability as a weakness or flaw presented in an application. Of course, all systems have vulnerabilities, but the big difference lies in whether these vulnerabilities are exploited and cause harm.
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