persistent_timeout ENV.fetch('PERSISTENT_TIMEOUT') { 20 }.to_i max_threads_count = ENV.fetch('MAX_THREADS') { 5 }.to_i min_threads_count = ENV.fetch('MIN_THREADS') { max_threads_count }.to_i threads min_threads_count, max_threads_count if ENV['SOCKET'] bind "unix://#{ENV['SOCKET']}" else bind "tcp://#{ENV.fetch('BIND', '127.0.0.1')}:#{ENV.fetch('PORT', 3000)}" end environment ENV.fetch('RAILS_ENV') { 'development' } workers ENV.fetch('WEB_CONCURRENCY') { 2 }.to_i preload_app! on_worker_boot do ActiveSupport.on_load(:active_record) do ActiveRecord::Base.establish_connection end end plugin :tmp_restart