Desacralizing the Linux overlay filesystem in Docker

Overlay filesystems (also called union filesystems) is a fundamental technology in Docker to create images and containers. They allow creating a union of directories to create a filesystem. Multiple filesystems,…

Running your Travis CI builds locally with Docker

Setting up the environment to run the tests on a CI/CD can take a few roundtrips between your host machine and the CI/CD running remotely. For every attempt, you’ll have…

Traefik, Docker and dnsmasq to simplify container networking

Good tech adventures start with some frustration, a need, or a requirement. This is the story of how I simplified the management and access of my local web applications with…