...From business-critical apps with billions of requests per day to small side projects, Passenger is tailored for each scenario. Passenger has a myriad of features that are invaluable to today’s web apps and microservice APIs. You get these benefits (and more) by simply installing Passenger with Nginx or Apache. Passenger was built with high performance and efficiency in mind. With Passenger’s zero-copy architecture, turbocaching and support for multiple concurrency models, you can count on Passenger to get the most out of your hardware. Passenger auto-manages your apps’ processes, restarting them and themselves if they ever crash. ...