Tutorial

API documentation is a critical intermediate between the API developers and API consumers, it helps the API consumers to understand how to use the API, what to expect from the API, and how to troubleshoot the API. But as the API evolves, it's very likely that the documentation is easy to get outdated, in this post, I'll show you how to make sure your API documentation is always up-to-date (and accurate!!!) with Spring REST Docs.

In this tutorial, I will guide you step by step on how to add a free HTTPS/SSL certificate to your Kubernetes service with Istio gateway using Let's Encrypt and cert-manager, so that your application can be accessed securely over HTTPS with an auto-renewing certificate

Caching is a critical technology in many high performance scalable applications. There are many choices in caching framework, including Ehcache, Memcache, cache2k etc. In this post, we are going to build one on our own, to learn what cache really does.