Hau Truong Cong
DevOps Engineer building fast, scalable, reliable systems
New to Contra
Hau is ready for their next project!
🚀 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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My journey with Kubernetes started with curiosity — understanding how modern systems scale and operate reliably in production environments.
In 2022, after a period of focused learning and hands-on practice, I successfully earned the Certified Kubernetes Administrator (CKA)...
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...
