The primary purpose of Docker-in-Docker was to help with the development of Docker itself. Many people use it to run CI (e.g. with Jenkins), which seems fine at first, but they run into many “interesting” problems that can be avoided by bind-mounting the ... (more…)

Setting up or upgrading a developer environment should be an easy and repeatable process. Docker Compose is the tool to achieve it. (more…)

There are two ways to build a Docker image: Running an image, modifying and committing it. This requires access to the live container. Using Dockerfile to build it. ... (more…)

A minimalist distribution of Linux designed from the ground up to run Docker containers. Built for Docker Ideal for Production Getting Started Built on Docker When we started the RancherOS project, we set out to build a minimalist Linux distribution that ...

One of the biggest benefits of using docker for me has been the fact that it makes developing code with databases much simpler. Whenever I’m building an app, I tend to use postgres as the database. Pre-docker, this meant installing postgres locally on my... (more…)