This article is an oversimplified getting started for those who don’t know about Tomcat. What is Tomcat Apache Tomcat is a Java web server and servlet container that execute Java code to serve dynamic web applications. Hello World Tomcat Code…
I took the KCNA exam on 15 November 2025, and I passed it with 97/100 score. I’m going to share with you what KCNA is and how I prepare for it. What is KCNA KCNA stands for Kubernetes and Cloud…
I’ve just finished the Cloud Resume Challenge. The challenge requires me to build an AWS serverless resume, including Infrastructure as Code, and a CI/CD pipeline. You can see my end result here and the GitHub repo here. Why did I…
I attended the “KBTG Meet Up – Build for Scale: Lessons from Horizontal Core Banking & Enterprise Systems” on July 17, 2025. The meetup is about how KBTG migrated its core banking application, which has 173 connected interfaces, without any…
I took the Certified Kubernetes Administrator (CKA) exam on June 9, 2025, and passed it on the first try! You can verify my certificate here. In this article, I’ll share my CKA journey, how I prepared, what resources I used,…