deploy.rb

# This will end up being the directory things are deployed under
set :application, "example.com"

# Change to your ip address
server "123.123.123.123", :app, :web, :db, :primary => true

# This is the location on the server where things will be deployed to. #{application} will be replaced by whatever your set for :application above.
set :deploy_to, "/var/www/#{application}"

# About the user you created on the server
set :user, "root"

# This helps password entry work correctly, I think.
default_run_options[:pty] = true

# The deets of your Git repo
set :repository,  "git@github.com:/my_repo.git"
set :scm, :git
set :branch, "master"

# This configures how Capistrano will deploy the code. The below have worked well for me.
set :deploy_via, :remote_cache
set :copy_strategy, :checkout
set :keep_releases, 5