Sergio Fernández

Sergio Fernández

Senior Cloud DevOps Engineer specializing in Kubernetes.

Upgrade Management at Scale—An Invisible Art

Managing updates isn't trivial; it's a complex, rewarding challenge. Upgrade management at scale involves orchestrating updates across Kubernetes clusters and workloads. While automation aids efficiency, the true art lies in understanding client needs and ensuring seamless, invisible upgrades.

DockerHub Rate-Limit Doom: A Kubernetes Odyssey

Sometimes technical challenges just come out of nowhere—and ruin your day (or months). Let me tell you the epic tale of how a sudden DockerHub limitation threw my team into a mad scramble, some detective work and Bash scripting sessions.