We have previously written a simple unit test that required us to setup a few tools (Python and nose). Now we will run those tools in a Docker container. (more…)

When building Docker containers, you should be aware of the PID 1 zombie reaping problem. That problem can cause unexpected and obscure-looking issues when you least expect it. This article explains the PID 1 problem, explains how you can solve it, and pr... (more…)

This is a follow up to my previous post Labelling problems with Docker automated builds. There is now a solution using a build hook.

Although the promise of Docker is the elimination of differences when moving software between environments, you’ll still face the problem that you can’t cross platform boundaries, i.e. you can’t run a Docker image built for x86_64 on a arm board suc...

Users of Docker containers often ask what the difference is between that technology and the Nanobox development platform. Here's an explanation. (more…)