We already know how to use Elixir inside Docker so now is time to run Phoenix application as a docker container. (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…)

I dropped down a rabbit hole doing some testing with Podman around why running a certain container in a rootless configuration required the --privileged flag. (more…)

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…)

Docker as a tool to spin up complex setups quickly also allows for phenomenally fast deployment of packaged applications, that would otherwise be daunting to install. Here are some very useful commands, that make heavy use of this feature for a plethora o... (more…)