# https://devcenter.heroku.com/articles/rails-unicorn worker_processes (ENV['WEB_CONCURRENCY'] || 3).to_i timeout (ENV['WEB_TIMEOUT'] || 5).to_i preload_app true before_fork do |server, worker| Signal.trap 'TERM' do puts 'Unicorn master intercepting TERM and sending myself QUIT instead' Process.kill 'QUIT', Process.pid end if defined? ActiveRecord::Base ActiveRecord::Base.connection.disconnect! end end after_fork do |server, worker| Signal.trap 'TERM' do puts 'Unicorn worker intercepting TERM and doing nothing. Wait for master to sent QUIT' end if defined? ActiveRecord::Base config = Rails.application.config.database_configuration[Rails.env] config['reaping_frequency'] = (ENV['DB_REAPING_FREQUENCY'] || 10).to_i config['pool'] = (ENV['DB_POOL'] || 2).to_i ActiveRecord::Base.establish_connection(config) end end