Here are the steps to follow to install your environment.
First, install homebrew (a mac os packages manager) by running these commands.
$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
$ brew update
Then add this tap. It will allow us to use brew bundle install command.
$ brew tap homebrew/bundle
Download our Brewfile and run it with the following command:
$ brew bundle install --file=~/Downloads/Brewfile
$ brew doctor
$ brew cask doctor
Install your ruby environment.
TODO
laptop binary?