Cheapest Google Kubernetes Engine cluster you can create is a 3-node f1-micro VMs (shared CPU, 0.6 GB RAM). (Costs $11/month today.) But each of nodes will have ~50 MB free memory. (That’s not enough room to run pretty much anything.) Read More →

Minikube is a great tool! Almost everybody begins Kubernetes with it and continues to use it all the time. I figured out a way to use single-node GKE clusters just like Minikube: Read More →

I gave a talk on Kubernetes Network Policies at KubeCon 2017 in Austin, TX last week. It was in a lecture format: I described how the feature works and how to configure network policies with some examples. Read More →

I run probably more than a hundred kubectl commands on some days, as you can tell I like to try out things. After a while I started to notice some patterns and realized I can pretty much condense 99% of all my kubectl usage into single-word bash aliases. Read More →

If I were to point out one reason why Kubernetes is taking off, I would probably say because of its awesome community. The second reason would be the flexibility of the Kubernetes API and how easy it is to write custom extensions or plugins on top of it. In this article, I’ll dig deep in a new concept: Initializers, which is a dynamic and pluggable way of modifying Kubernetes resources before they are actually created. Read More →

Network Policies is a new Kubernetes feature to configure how groups of pods are allowed to communicate with each other and other network endpoints. In other words, it creates firewalls between pods running on a Kubernetes cluster. This guide is meant to explain the unwritten parts of Kubernetes Network Policies. Read More →

With about 150 services and going strong authenticating to Google APIs can sometimes seem intimidating to program against. In this blog post, I will take Kubernetes Engine (GKE) as an example and show how to use its REST API in Go and Python. Read More →

Google Container Registry is probably the easiest to use container image storage solution out there. I want to share some tips and tricks I found out about in the past few months. Read More →