Today's goal: take a simple Flask app running in Kubernetes and expose it to the outside world using Ingress, instead of relying on NodePort or LoadBalancer services. This post walks through the setup, the errors I hit along the way, and how each one...

Today's goal: take a simple Flask app running in Kubernetes and expose it to the outside world using Ingress, instead of relying on NodePort or LoadBalancer services. This post walks through the setup, the errors I hit along the way, and how each one...

Today I learned one of the most confusing Kubernetes concepts for beginners: PersistentVolumes PV and PersistentVolumeClaims PVC. At first, my PVC refused to bind and stayed in the Pending state. After some troubleshooting, I finally got everything ...

If you've ever wondered, "How do I stop my pods from randomly talking to everything in my cluster?" – this is the post for you. Today, I dove into Kubernetes Network Policies – the way you control who can talk to whom inside your cluster. I started ...

What this is about Today’s mission was simple on paper: Teach Kubernetes how to handle memory politely. In reality: Kubernetes behaved like a strict landlord, and my containers learned consequences. We explored: memory requests what you ask for ...

Introduction Looping errors in a caching matrix in R can lead to infinite loops, inefficient computations, and performance bottlenecks. These errors often arise due to improper indexing, recursive calls without base cases, or mismanaged caching mec...