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Dec 13, 2021

Protecting an Application’s REST Service With Kubernetes RBAC

Suppose you have deployed an application in a Kubernetes cluster, exposing some REST endpoints. The next question often is: How to prevent unauthorized access to these endpoints? An end-user-facing application typically handles authorization on the application level by implementing a login-logout mechanism or delegating to an OAuth provider. Alternative approaches…

Kubernetes

7 min read

Protecting an Application’s REST Service With Kubernetes RBAC
Protecting an Application’s REST Service With Kubernetes RBAC

Sep 17, 2021

An Advanced API for Environment Variables in Helm Charts

Environment variables are, besides config files, a widespread way to configure applications deployed to Kubernetes. So any Helm chart developer should give chart users the ability to add their own environment variables to customize an application deployment. In the following sections, an API is developed supporting Helm values coalescence as…

8 min read


Sep 9, 2021

Are Helm Charts Turing-Complete?

Helm charts are one of the most widely adopted ways to provide flexible templates to configure Kubernetes objects. This article is certainly not for readers starting to work with Helm. …

Helm

4 min read


May 16, 2021

Fluent Builders in Java

Most Java developers most likely have at least used a builder and probably implemented some themselves. I find implementing a builder a bit cumbersome since it involves quite some boilerplate code. …

Java

5 min read

Fluent Builders in Java
Fluent Builders in Java
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