Capistrano deploy.rb for a server hosting the git repository

deploy.rb

set :use_sudo,            false

set :git_shallow_clone,   1 # tell git to clone only the latest revision and not the whole repository
set :keep_releases,       5

set :application,         "app"
set :repository,          "git@127.0.0.1:app.git"

set :user,                "deployer"
set :password,            "deployer_password"

set :deploy_to,           "/home/deployer/rails/app"
set :runner,              "deployer"
set :scm,                 :git
 
#options necessary to make Ubuntu’s SSH happy
ssh_options[:paranoid]    = false
default_run_options[:pty] = true
 
role :app, "127.0.0.1"
role :web, "127.0.0.1"
role :db,  "127.0.0.1", :primary => true