Whereas Kubernetes is the target environment of application execution, you will not find here how to declare required services or deployment most optimally. Some basic Kubernetes configurations are just enough for demonstration purposes. Though, you can use the configurations as a starting point and improve them with the help of Kubernetes Documentation.
The theme of Spring's Caching is not fully covered either. So, if you are interested in Cache Abstractions, please refer to the corresponding part of Spring Framework documentation.