@nyzex

When SSL Lies: Debugging PostgreSQL “server does not support SSL” in Kubernetes

Apr 22 · 5 min read · You spin up a Kubernetes workload. You connect to PostgreSQL. You add sslmode=require because security matters. And then PostgreSQL replies with: server does not support SSL, but SSL was required Wai

A Real World Journey Building on Tencent Cloud

Mar 16 · 6 min read · When you first approach Tencent Cloud, it feels familiar if you come from AWS or Azure. There are VPCs, Kubernetes clusters, load balancers, object storage, IAM, everything you would expect. But once

Lessons Learned Building a CI Pipeline That Auto-Tags and Deploys Docker Images

Feb 24 · 5 min read · When I first automated Docker builds and deployments, I thought the hard part would be writing the YAML. It was not. The real challenges were versioning, preventing accidental rollbacks, handling envi

What I Learned Migrating a Real App from Docker Compose to Kubernetes

Feb 12 · 5 min read · For a long time, Docker Compose felt like the perfect solution. Simple YAML, fast local setup, predictable behavior. For a single service or even a small stack, it works beautifully. But at some point, reality catches up. As the application grew, tra...

Running Apache Flink on Kubernetes: From Zero to a Fully Utilized Cluster

Jan 18 · 8 min read · This blog walks through Apache Flink end to end, starting from what Flink is, how its architecture works, and how to deploy and properly utilize a Kubernetes cluster using Flink’s standalone Kubernetes mode. The goal is not just to get Flink running,...