parameters.yml configuration during capifony deployment for Symfony2

deploy.rb

set :application, "My App"
set :domain,      "domain.com"
set :deploy_to,   "/home/domain/www"
set :app_path,    "app"

set :user,        "deploy"
set :use_sudo,    false
# default_run_options[:pty] = true

set :repository,  "git@xxx.com:project"
set :scm,         :git
set :branch,      "master"
set :deploy_via,  :remote_cache
set :scm_verbose, true

set :model_manager, "doctrine"

role :web,        domain                         # Your HTTP server, Apache/etc
role :app,        domain, :primary => true       # This may be the same as your `Web` server

set  :keep_releases,  3

# symfony2
set :shared_files,      ["app/config/parameters.yml"]
set :shared_children,   [app_path + "/logs", web_path + "/uploads", "vendor"]
set :use_composer,      true
set :update_vendors,    true

set :writable_dirs,     ["app/cache", "app/logs"]
set :webserver_user,    "www-data"
set :permission_method, :chown # :acl with https://help.ubuntu.com/community/FilePermissionsACLs
set :use_set_permissions, true

set :dump_assetic_assets, true

# Be more verbose by uncommenting the following line
# logger.level = Logger::MAX_LEVEL

# Enable app_dev.php
# set :clear_controllers, false