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Configuration of unicorn on rails application.
# ワーカーの数
worker_processes 2
# RAILS_ROOT を指定
working_directory "/var/www/rails/rails_app/"
# ソケット
listen "/var/www/rails/rails_app/tmp/sockets/unicorn.sock"
# PID
pid "tmp/pids/unicorn.pid"
# ログ
stderr_path "log/unicorn.log"
stdout_path "log/unicorn.log"
# ダウンタイムなくす
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
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