unicorn.conf.rb
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	listen ENV['UNICORN_LISTEN']
	working_directory ENV['APP_ROOT']
	worker_processes ENV['UNICORN_WORKERS'].to_i
	pid ENV['UNICORN_PIDFILE']

	preload_app true

	before_fork do \|server, worker\|
	ActiveRecord::Base.connection.disconnect!

	old_pid = "#{server.config[:pid]}.oldbin"
	if old_pid != server.pid
	begin
	sig = (worker.nr + 1) >= server.worker_processes ? :QUIT : :TTOU
	Process.kill(sig, File.read(old_pid).to_i)
	rescue Errno::ENOENT, Errno::ESRCH
	end
	end

	sleep 1
	end

	after_fork do \|server, worker\|
	ActiveRecord::Base.establish_connection
	end