01_classic_style.md

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Basic examples

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"Classic" style

@@@ ruby
# 01_classic_style.rb
require 'sinatra'

get '/' do
  "Hello World!"
end

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Running it

$ ruby ./01_classic_style.rb
== Sinatra has taken the stage
>> Listening on 0.0.0.0:4567

$ curl http://0.0.0.0:4567
Hello World!