Hau Truong Cong

After years working full-time as a DevOps engineer, most of my world revolved around things like AWS, CI/CD, infrastructure, scaling… the “traditional” path. ⚙️

Then suddenly — the AI wave hit. 🤖

At first, like many traditional developers, I was a bit skeptical. I looked at AI...

🚀 Upgrading Node.js in Production: A Real Case Study from a Microservices System 🚀

Node.js 20 is reaching its end of maintenance in April 2026.

If your system is still running on it, this is not just a “nice-to-have upgrade” anymore — it’s something you must plan carefully to...

In 2023, while working as a Senior DevOps Engineer at FPT Corporation, I noticed a growing demand for DevSecOps roles across multiple projects. However, finding professionals with the right combination of DevOps and security expertise was a major challenge for the organization.

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In 2022, alongside deepening my understanding of Kubernetes infrastructure, I challenged myself to focus on the developer side of Kubernetes — how applications are designed, deployed, and optimized within a cluster.

This led me to successfully earn the Certified Kubernetes...