torquebox.yml

deploy.rb

require 'torquebox-capistrano-support'
require 'bundler/capistrano'
$:.unshift(File.expand_path('./lib', ENV['rvm_path'])) # Add RVM's lib directory to the load path.
require "rvm/capistrano"                  # Load RVM's capistrano plugin.
set :rvm_ruby_string, 'jruby-1.6.7@myapp'
set :use_sudo, false
set :stages, %w(staging production)
set :default_stage, "production"
require 'capistrano/ext/multistage'
  
# ssh to the deploy server
default_run_options[:pty] = true

set :application, "myapp"

# TorqueBox specific
set :torquebox_home, '/usr/local/rvm/gems/jruby-1.6.7@global/gems/torquebox-server-2.0.0.cr1-java'
set :jboss_home, '/usr/local/rvm/gems/jruby-1.6.7@global/gems/torquebox-server-2.0.0.cr1-java/jboss'
set :jruby_home, '/usr/local/rvm/rubies/jruby-1.6.7'
set :jboss_control_style, :binscripts
set :jruby_opts, '--1.9'


# setup scm:
set :repository,  "my-git-url"
set :deploy_via, :remote_cache
set :scm_username, "myname"
set :scm, :git
set :scm_verbose, "true"
set :branch, "master"
ssh_options[:forward_agent] = true

set(:releases_path)     { File.join(deploy_to, version_dir) }
set(:shared_path)       { File.join(deploy_to, shared_dir) }
set(:current_path)      { File.join(deploy_to, current_dir) }
set(:release_path)      { File.join(releases_path, release_name) }

set :deploy_to, "/var/deploy/#{application}"


namespace :rvm do
  task :trust_rvmrc do
    run "rvm rvmrc trust #{release_path}"
  end
end

namespace :deploy do
  task :bootstrap do
    run "cd #{release_path}; jruby -S bundle exec rake bootstrap:roughly RAILS_ENV=#{rails_env}"
  end
end

myapp-knob.yml

what I see after deploy:

application:
  root: /var/deploy/entercamp/releases/20120315104424
ruby:
  version: 1.8
environment:
  RAILS_ENV: staging

staging.rb

server "mydomain", :app, :web, :db, :primary => true

set :rails_env, "staging"

after "deploy", "rvm:trust_rvmrc"
after "deploy:symlink", "deploy:bootstrap"

torquebox.yml

ruby:
  version: 1.9

application:
  RAILS_ENV: staging

web:
  host: mydomain.com
  context: /