If you're using docker with ufw (Ubuntu Firewall), your local ports may be exposed to the outside world. I recently read about this issue and when I checked, sure enough, ... (more…)

When installing software with Nix, if the target isn’t available in a binary cache somewhere, the software will be built on your machine from source. This is fine for a development machine, but when deploying software on a remote server this can be tricky... (more…)

Now that Kubernetes and Docker support software-defined orchestration, end-to-end (E2E) testing has finally become a practical reality. We’ll walk through the biggest issue with maintaining and running E2E tests: the speed and hassle of spinning up a full... (more…)

Docker’s multi-stage builds are a nice-to-have since so many other packaging workflows developed in their absence. But I thought I’d start… (more…)

OSX (macOS) inside a Docker container. Contribute to dockur/macos development by creating an account on GitHub. (more…)