Docked Rails

Setting up Rails for the first time with all the dependencies necessary can be daunting for beginners. Docked Rails uses a Rails CLI Docker image to make it much easier. You can start a new Rails application, working with that application during development, and run a basic server without installing anything besides Docker on your machine.

Getting started

First install Docker (and WSL on Windows). Then copy'n'paste to run in the terminal:

docker volume create ruby-bundle-cache
alias rails='docker run --rm -it -v $PWD:/rails -v ruby-bundle-cache:/bundle ghcr.io/rails/cli'
alias rails-server='docker run --rm -it -v $PWD:/rails -v ruby-bundle-cache:/bundle -p 3000:3000 ghcr.io/rails/cli server -b 0.0.0.0'
alias rails-dev='docker run --rm -it -v $PWD:/rails -v ruby-bundle-cache:/bundle -p 3000:3000 --entrypoint bin/dev ghcr.io/rails/cli'
alias bundle='docker run --rm -it -v $PWD:/rails -v ruby-bundle-cache:/bundle --entrypoint bundle ghcr.io/rails/cli'
alias rake='docker run --rm -it -v $PWD:/rails -v ruby-bundle-cache:/bundle --entrypoint rake ghcr.io/rails/cli'
alias rails-yarn='docker run --rm -it -v $PWD:/rails -v ruby-bundle-cache:/bundle --entrypoint yarn ghcr.io/rails/cli'

Then you're ready to create your first Rails app:

rails new weblog
cd weblog
rails generate scaffold post title:string body:text
rails db:migrate
rails-server

That's it! You're running Rails with your weblog on http://localhost:3000/posts.

If you're starting a new app using jsbundling-rails, you can run rails-dev instead of rails-server.