How GitHub Actions can turn your code into a Docker daemon: A quick way to automate Ruby releases

So let’s say that you have a shiny new Ruby program that you wrote. But how will you ensure every environment has the right version of Ruby installed and every user knows how to install all of its dependencies? Before you answer that yourself, ask the lead maintainer of Homebrew how much fun he’s having.I think there is a simpler method to this madness. This is a tutorial to automatically build and push container images for your project, which will save you time and minimize tedious tasks. Manual process is for people that don’t yet realize how much time you can save yourself by using DevOps principles to automate this tedious work. The pattern in this post will work for a variety of languages, but you’ll have to apply changes in a language-specific manner to be compatible.