Devise Setup Example

commands.sh

echo "gem 'devise'" >> Gemfile         # Or edit Gemfile and add line: gem 'devise' 
bundle install                         # Fetch and install the gems 
rails generate devise:install          # Creates config file, etc. 
rails generate devise user             # Create model class, routes, etc. 
rake db:migrate                        # Create user table 
rails generate devise:views users      # Creates (minimal) views

# Code sample courtesy of launch school: https://launchschool.com/blog/how-to-use-devise-in-rails-for-authentication