Capistrano for Rails 3.1

deploy.rb

require 'capistrano/ext/multistage'
require "bundler/capistrano"

#use local key for authentication
ssh_options[:forward_agent] = true
default_run_options[:pty] = true

set :application, 'awesome'
set :repository,  "[email protected]:zurb/awesome.git"

set :deploy_via, :remote_cache
set :scm, "git"
set :use_sudo, false
set :user, application
set :branch, 'master'

after "deploy:update_code", "db:symlink"
# if you're symlinking production database.yml do this
before "deploy:assets:precompile", "db:symlink"

namespace :db do
  desc "Make symlink for database yaml" 
  task :symlink do
    run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml" 
  end
end

namespace :deploy do  
  desc "Restart Application"
  task :restart, :roles => :app do
    run "touch #{current_path}/tmp/restart.txt"
  end
end

Pay attention to:
before "deploy:assets:precompile", "db:symlink"

Otherwise some capistrano deployments may fail.

before "deploy:assets:precompile", "db:symlink"

Thank You!