unicorn.rb

# -*- coding: utf-8 -*-
APP_PATH = "/var/www/Rails-app"
APP_SHARED_PATH = "#{APP_PATH}/shared"

# worker数
worker_processes 2
working_directory "#{APP_PATH}/current"

# Unix domain socket
listen "#{APP_SHARED_PATH}/tmp/sockets/unicorn.sock"
# PID file
pid "#{APP_SHARED_PATH}/tmp/pids/unicorn.pid"

# logs
stderr_path "#{APP_SHARED_PATH}/log/unicorn.stderr.log"
stdout_path "#{APP_SHARED_PATH}/log/unicorn.stdout.log"

# ダウンタイム削減
preload_app true

before_fork do |server, worker|
	defined?(ActiveRecord::Base) and ActiveRecord::Base.connection.disconnect!

	old_pid = "#{ server.config[:pid] }.oldbin"
	unless old_pid == server.pid
		begin
			Process.kill :QUIT, File.read(old_pid).to_i
		rescue Errno::ENOENT, Errno::ESRCH
		end
	end
end

after_fork do |server, worker|
	defined?(ActiveRecord::Base) and ActiveRecord::Base.establish_connection
end