DevOps

Case-Study: Windows on Docker Container

I’ve been looking a way to run windows container on top of docker for sometimes and finally decided to run it along with dockerized-virtual machine i.e virtualbox because the solution suit my use case.

Orchestration and Automation of TLS Cert Management in Kubernetes (Private Cloud)

There are many articles discussing Kubernetes Ingress, TLS (with annotation), Letsencrypt, and Cloudflare. But it's a bit rare to find one that explains the best practices of using all of them in one deployment in detail.

Secondary Default Route Through Elastic IP Interface in AWS

This interesting case come from one of my client from US few months ago. It took me sometimes to figure out how subnet, interface, and route work in AWS EC2. The knowledge then mixed with my experience of route configuration in Linux system using iproute2.

The Rise of DevOps

There are many occurrence in my professional life lately where DevOps word stated by others but unfortunately most of them doesn’t really understand what the real meaning is.