Ever wondered how to create a minimal Linux image using nothing but some menu selections? This guide walks you through using Buildroot’s menu system to craft your own custom OCI image, step by step using the graphical interface.

Now that you’ve built an image by hand, you may be wondering if there are tools that might make this process easier. This week we’ll explore one of those – Buildroot – and look at how it can be used to automate building custom images.

A common question I’ve heard is “how do I run Docker commands from within a GitHub Actions job container?” In this post, I’ll explore how GitHub Actions implements job and service containers using Docker, and how you can use that to run your own Docker commands from inside a job container.

Running Docker-in-Docker inside Kubernetes can be tricky … especially when you need to access private registries. Learn how to securely authenticate DinD containers.

Ever wondered why you can’t just export your environment variables in GitHub Actions? I mean, it’s a Bash script, right? Well, it turns out that the way GitHub Actions works makes exporting them across steps impossible. Let’s dive into the details and learn how to properly set environment variables in your workflows.