Quick Hello World App

• Download and Install the Rails Installer kit - http://railsinstaller.org/
• Download Sublime Text - http://www.sublimetext.com/

Create new application

• Command: rails new
• CD into the newly created folder
• Fire up the server: rails server
• Navigate to: http://localhost:3000/ - you should see the “Welcome Aboard” page

Controller-View: Hello World

• Create controller: rails generate controller home index

• Open your Rails project in Sublime

• Go to /views/home/index.html.erb

• Replace the code with:

    <h1>Hello, World!</h1>
  

• Delete the default “Welcome Aboard Page”: del public\index.html

• Open config/routes.rb and add the following just below the first line:

    root :to => "home#index"
  

• Refresh http://localhost:3000/ - it should now say, “Hello World!”