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Hello, So, after learning ruby on rails and building a great app on my local machine, I need to find a host, deploy, and of course maintain a (staging and) production environment. This all seems very confusing, and I''d like to learn this in an organized manner, step by step: I''ve come across the names: Unicorn, nginx/apache, capistrano, Thin/mongrel, Engine Yard, EC2, etc.,