I’ve done some work with a customer lately, where I helped them build a mutating admission controller on Kubernetes. The goal of this blog post is to explain what admission controllers are and how to deploy them on Kubernetes. To keep the content of the post manageable, the development of the admission controller itself is […]
Category: Open Source

How to connect GitHub Codespaces to a local Visual Studio Code
I’m a huge fan of GitHub Codespaces. Codespaces deliver a fully powered and customizable Visual Studio Code (VS Code) instance in the browser. I’ve started using Codespaces recently to do my Covid analysis. It’s a great tool because I don’t need to install anything locally, I can simply use Codespaces straight from the browser. Codespaces […]

Creating Windows Azure Container Instances using the Virtual Kubelet from the Azure Kubernetes Service
I am working with a customer that is looking to deploy Windows containers from Azure Kubernetes Service (AKS) to Azure Container Instances (ACI) nodes. In this blog post, I’ll explain how this can be done. We’ll start with a quick why somebody would want to do this, how this can be done and then transition […]

First look at GitHub Codespaces
GitHub Codespaces is a way to get a fully powered Visual Studio Code experience in the browser. It’s your cloud-enabled development machine, without needing anything but a web browser. It’s currently in beta and I got access a couple weeks ago. Today, I wanted to give it a spin. Rather than provide a simple demo, […]

How to use ‘terraform output’ in a GitHub action
Recently, I was building a GitHub Actions pipeline, and needed to access output from Terraform. There’s a very convenient feature in Terraform that allows you to get output from your applied .tf files. You can call those values from the shell directly, and assign them to variables in your shell. What you need to do […]