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Sinatra is the easiest way to a Fast, RESTful, web-application in Ruby with few dependencies, setup, and LOC.

Installation

sudo gem install sinatra

Your first Sinatra app

require "rubygems" 
require "sinatra" 

get '/' do
 "Hello World" 
end

Run your app with $ ruby myapp.rb and point your browser to http://localhost:4567

Bleeding Edge

1. cd where/you/keep/your/projects
2. git clone git://github.com/bmizerany/sinatra.git
3. cd sinatra
4. git submodule init && git submodule update
5. cd your_project
6. ln -s ../sinatra

at the top of your sinatra.rb file

$:.unshift File.dirname(__FILE__) + '/sinatra/lib'
require 'sinatra'

get '/about' do
  "All good in the hood" 
end

More stuff

• Famous quotes about Sinatra
• Frequently Asked Questions
• Apps using Sinatra

Killer resources!

• Rest-client
• Using for facebook apps
• Blogs talking about Sinatra

Sources

• The latest source and README is here

• IRC: irc.freenode.net #sinatra

• Mailing List: http://groups.google.com/group/sinatrarb

• Sinatra Bugtracker at Lighthouse: http://sinatra.lighthouseapp.com/