This is what My rails 3.0.9 R3dux.net site Gemfile looks like

Gemfile

source 'http://rubygems.org'

gem 'rails', '3.0.9'

# Bundle edge Rails instead:
# gem 'rails', :git => 'git://github.com/rails/rails.git'

gem 'sqlite3-ruby', :require => 'sqlite3'
gem "authlogic", :git => 'git://github.com/odorcicd/authlogic.git', :branch => "rails3"
gem "carrierwave", :git => "git://github.com/jnicklas/carrierwave.git", :branch => "0.5-stable"

gem "fog"
gem "excon"
gem 's3_swf_upload', :git => 'git://github.com/nathancolgate/s3-swf-upload-plugin'
gem 'aws-s3', :require => 'aws/s3'
gem "RedCloth"
gem "exception_notification"
rmagick_options = {:require => false}
rmagick_options.update({
	

}) 

# Specify a version of RMagick that works in your environment:
if Bundler::WINDOWS
	gem 'rmagick', '2.12.0', :git => 'git://github.com/refinerycms/rmagick.git', :branch => 'windows'
else
	gem 'rmagick'
end

gem 'rack-ssl'
gem 'jquery-rails', '>= 0.2.6'


# Use unicorn as the web server
# gem 'unicorn'

# Deploy with Capistrano
# gem 'capistrano'

# To use debugger (ruby-debug for Ruby 1.8.7+, ruby-debug19 for Ruby 1.9.2+)
# gem 'ruby-debug'
# gem 'ruby-debug19'

# Bundle the extra gems:
# gem 'bj'
gem 'nokogiri'
# gem 'sqlite3-ruby', :require => 'sqlite3'


# Bundle gems for the local environment. Make sure to
# put test-only gems in this group so their generators
# and rake tasks are available in development mode:
# group :development, :test do
#   gem 'webrat'
# end