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It is suggested to use a system running on Linux or MacOS for the Bootcamp. We understand that most of you may be using a Windows system and have therefore provided a set of instructions to install Linux.

Installation Guide for Linux

Once done, you will have to install Ruby and Rails on your system.

We recommend sticking to the versions mentioned in the Installation Guide and run commands exactly as instructed, as all assignments in this Bootcamp are tested with these versions.

Install Ruby & Rails

In case you are using Mac OS, follow below commands

Install Xcode tools

Install Xcode from the MacApp Store if you haven't already. Refer this in case of any issues

Install HomeBrew

HomeBrew is a package manager for Mac and helps organise the packages you install.

Enter the following command in the terminal to install HomeBrew if you haven't already -

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Install gnupg

brew install gnupg

Below steps are common to Linux and MacOS

Install Ruby Version Manager (RVM). You can install RVM by running the following commands:

gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB

In case you encounter any issues please check this link

# Import and mark the GPG keys as trusted
curl -sSL https://rvm.io/mpapis.asc | gpg --import -
# Install stable version of RVM
curl -sSL https://get.rvm.io | bash -s stable

You can also install the ubuntu apt package, but the process is quite complex if messed up. We recommend you to install it by following the commands mentioned above.

RVM allows you to easily install, manage and work with multiple ruby environments.

  • Install Ruby (3.0.5)
rvm install ruby-3.0.5
rvm --default use 3.0.5
  • Create and use a gemset week_<n> where n is the session number.
rvm gemset create week_2
rvm use 3.0.5@week_2

A gemset is an isolated ruby setup. For example, you can isolate two projects using Rails 5 and Rails 6 from each other using a gemset. NOTE: Always switch to the appropriate gemset when working on a project. You can use a project rvmrc to automate this process.

  • Install Bundler (2.2.33) and Rails (7.0.4)
gem install bundler --version 2.2.33
gem install rails --version 7.0.4

While you can use different version of Ruby, Bundler and Rails - we recommend using the provided versions as all exercies are created and tested with these particular versions.

  • Check if the above steps worked correctly.
rvm --version
ruby --version    # 3.0.5
bundler --version # 2.2.33
rails --version   # 7.0.4
  • Finally, you'll need Node.js and Yarn installed to manage your application's JavaScript. So you can install nodejs by running the following command:
sudo apt install nodejs
  • We need yarn for esbuild. To install yarn run the following commands:
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt update && sudo apt install yarn
  • Check and verify your installation
yarn --version