One or two weeks ago, I registered to the Paris Ruby Workshop Meetup and needed a Ruby env. I have been using Vagrant quite a lot to isolate my different dev envs from each other and from my main machine. As I’ve been digging more into Docker lately, I thought I’d simply use Docker and Docker Compose instead.
I turned out to be dead simple. All that is needed is a docker-compose.yml
file to define the container, record the shared volume and set a bundle path inside it :
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Without the custom bundle path, bundled gems would be installed elsewhere in the container, and lost at every restart.
To use the Rubybox, just type docker-compose run rubybox
and you’ll get a shell from within your ruby machine, where you can do everything you want.
In fact, I found the thing so useful, that I created the Rubybox git repo to simplify cloning and reusing. I’ve already cloned it at least 3 times since then !
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