threads_count = ENV.fetch('MAX_THREADS') { 5 }.to_i threads threads_count, threads_count if ENV['SOCKET'] then bind 'unix://' + ENV['SOCKET'] else port_num = ENV.fetch('PORT') { 3000 } bind "tcp://127.0.0.1:#{port_num}" end environment ENV.fetch('RAILS_ENV') { 'development' } workers ENV.fetch('WEB_CONCURRENCY') { 2 } preload_app! on_worker_boot do ActiveRecord::Base.establish_connection if defined?(ActiveRecord) end plugin :tmp_restart