optimize Docker build speed in CI

Docker optimization guide: optimize build speed in CI pipelines

This article offers several tips for tweaking the build speed of Docker images in CI pipelines. I explain multiple caching-tricks offered by BuildKit, which is an alternative image build engine. I also elaborate on how the .dockerignore file and extra arguments to package managers such as apt can speed up your image builds. Introduction As … Read more

optimize Dockre development speed

Docker optimization guide: the 5 best tips to optimize Docker development speed

This article presents 5 tips that improve the speed of building Docker images locally. It focuses on two problems: iterating on your unfinished Dockerfile (where you still figure out configuration options and which packages to install), and iterating on your code (assuming a finished Dockerfile). I discuss tricks such as using BuildKit, the .dockerignore file, … Read more

Vagrant vs. Docker

Vagrant vs. Docker

Updated 2022-09-18 to reflect that Docker for Desktop and Virtualbox can co-exist on Windows, because Hyper-V is no longer a requirement for Docker for Desktop. Vagrant is a tool that automatically downloads and configures virtual machines, according to a recipe file. Docker does something similar, but can achieve better performance in specific situations. This article … Read more

Create a Vagrant box with Packer

How to create a Vagrant box with Packer

Vagrant is a tool that automatically downloads and configures virtual machines, according to a recipe file. Typically, the base image is downloaded from the Vagrant Cloud, a repository of user-submitted boxes. This article explains how to create a Vagrant box, which is necessary if there is no appropriate box on Vagrant Cloud, or if you … Read more

Introduction to Vagrant

The complete introduction to Vagrant

Vagrant is a tool that automatically downloads and configures virtual machines, according to a recipe file. It is similar to Docker, but with extended support for different, virtualized operating systems. Use cases include setting up virtual test beds, or CI build machines. This article provides an introduction to Vagrant’s concepts and how it works, as … Read more