In my last article about Keycloak, I mentioned the Spring Boot as one of the frameworks to integrate with Keycloak. Here I will dive deeper into how to integrate them, namely, I will describe how you can secure your Spring Boot-based REST API with help of Keycloak. I will also add a few words about the Keycloak admin console and how to use it. Of course, all necessary configurations from Spring Boot’s side will also be detailed and explained.
Before we start — a quick disclaimer