ruby - What's the difference between Rack and Passenger? -


I am trying to deploy a Sinatra app for Dreamhost and it says:

< Blockquote>

Since the DH passenger supports Rack based Ruby applications, the DH actually supports Sinatra.

I am having difficulty parsing that statement - what's the difference between the rack and passenger (Sinatra is "rack-based")?

Interface to a web server and web framework in Ruby An Apache module which implements Rack API It is a web structure that has been built, because Dreamhost Fusion supports the passenger, it means that it supports the rack, and thus Sinatra.


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