RubySchool, Lesson 29 and Lesson 30
Continue to make the Barbershop application on sinatra-bootstrap.
Use ActiveRecord gem.
git clone https://github.com/Kregu/BarberShopHQ
cd BarberShopHQ
bundle install # To install
rake bd:migrate # To create tables
bundle exec ruby app.rb # To run the sample
Then open http://localhost:4567/