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Sinatra

require ' sinatra ‘ get ‘/' do "Hello World!" end. Sinatra. By: Maksim Surguy & Cesar Acosta. What is it ?. Web application framework in Ruby DSL* for defining RESTful HTTP actions Fast Fun!. What it is not ?. Not Rails Not MVC. *Domain specific Language.

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Sinatra

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  1. require 'sinatra‘ get ‘/' do "Hello World!" end Sinatra By: MaksimSurguy & Cesar Acosta

  2. What is it ? • Web application framework in Ruby • DSL* for defining RESTful HTTP actions • Fast • Fun! What it is not ? • Not Rails • Not MVC *Domain specific Language

  3. How does it work ? gem install sinatra vi my_app.rb set :port, 3000 require ‘sinatra’ get ‘/’ do ‘Hello World’ end ruby my_app.rb

  4. Gem Shotgun • Gems More Condensed • Changes to the App require to restart the server • gem install shotgun • Run => shotgun my_app.rb

  5. Got Parameters ? vi my_app2.rb require ‘sinatra’ set :port, 3000 get '/hello/:name' do "Hello #{params[:name]}" end ruby my_app2.rb

  6. Got REST ? get '/' do .. show something .. end post '/' do .. create something .. end put '/' do .. update something .. end delete '/' do .. annihilate something .. end options '/' do .. appease something .. end

  7. Got views? • Supports practically every template engine in Ruby: • HAML • ERB • Erubis • Builder • Nokogiri • Sass • Less • Liquid • And many, many more !!! (http://www.sinatrarb.com/intro.html) require ‘haml‘ get ‘/' do haml :index end • Renders ./views/index.haml

  8. What is good for ? • APIs • Web services (fast !!!) • Quick minimal applications • Lean web development (Largely static sites with some dynamic content) • Deploy on Heroku!

  9. In the wild… (Used by) • Heroku • GitHub services • Engine Yard • Apartment Therapy • Many Others More examples at : http://www.sinatrarb.com/wild.html

  10. Resources • http://www.sinatrarb.com • http://sinatra-book.gittr.com/ • http://bcc2010-sinatra.heroku.com/ • http://empty-journey-91.heroku.com/ • http://net.tutsplus.com/tutorials/ruby/singing-with-sinatra/ • http://www.slideshare.net/oisin/simple-web-services-with-sinatra-and-heroku-6882369 • http://sinatra-book-contrib.com

  11. Thanks!

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