In lib/tasks/app.rake:

   1  namespace :db do
   2    desc "Bootstraps the database"
   3    task :bootstrap => ['db:schema:load'] do
   4  
   5     { 'Ruby' => 'ruby',
   6        'JavaScript' => 'javascript',
   7      }.each do |name, short_name|
   8        Category.create!(:name => name, :short_name => short_name)
   9      end
  10  
  11    end
  12  end