PHP Capistrano Recipe.rb

set :shared_children, %w(config logs) # Shared directories, these directories contain generated content which should not be wiped out during deployments.
set :application, "domain.com" # Application name
set :deploy_to,   "/var/www/#{application}/#{stage}" # Path where files are deployed to ...

# Commands on the server are run as the following user : 
set :runner,   "website"
set :user,     "website"
set :use_sudo, false # sudo isn't required for my deployment.

set :scm,        :bzr # I am using bazaar, so I specify it here
set :deploy_via, :export # This will use bzr export as the method of obtaining the code from the repository.
set :repository, "/home/user/repositories/domain.com" # This is the path to the code repository on the server, remember when you pushed the code up to the server?

role :web, "#{application}"

ssh_options[:keys] = %w(/home/user/.ssh/private_key) # SSH key
ssh_options[:port] = 22

namespace :deploy do

	desc <<-DESC
		[internal] Touches up the released code. This is called by update_code
		after the basic deploy finishes. It assumes a Rails project was deployed,
		so if you are deploying something else, you may want to override this
		task with your own environment's requirements
	DESC
	task :finalize_update, :except => { :no_release => true } do
		# link log and upload directories
		run "rmdir #{latest_release}/application/logs"
		run "rmdir #{latest_release}/upload"
		run "ln -s #{shared_path}/logs #{latest_release}/application/logs"
		run "ln -s #{shared_path}/upload #{latest_release}/upload"

		# copy configuration files
		run "cp -rf #{shared_path}/config/  #{latest_release}/application/"
		
		# copy index.php
		run "cp -f #{shared_path}/index.php #{latest_release}/index.php"

		# chmod directories and files
		run "find #{shared_path} -type d -exec chmod 0755 {} \\;"
		run "find #{latest_release} -type d -exec chmod 0755 {} \\;"
		run "find #{latest_release} -type f -exec chmod 644 {} \\;"
	end

	namespace :web do
		task :disable do
			run "cp #{shared_path}/maintenance.html #{latest_release}"
			run "echo #{stage}"
		end
		task :enable do
			run "rm -f #{latest_release}/maintenance.html"
		end
	end
end

after "deploy:update_code", "deploy:web:disable"
after "deploy:symlink", "deploy:web:enable"