Puma - unders/mywiki GitHub Wiki activerecord-connection-pool-on-heroku-with-puma-and-sidekiq how-to-setup-rails-app-with-puma-and-nginx deploying-a-rails-app-on-nginxpuma-with-capistrano unleash-the-puma-on-heroku Puma-vs-Phusion-Passenger concurrency-and-database-connections puma-cluster-configuration-on-heroku