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はじめてのSinatra

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プロジェクト作成

$ mkdir helloapp
$ cd helloapp
$ bundle init

Gemfile

source "https://rubygems.org"

gem "sinatra"

gemインストール

$ bundle install --path=vendor/bundle
$ touch myapp.rb

myapp.rb

require 'sinatra'
get '/' do
    'Hello world!'
end

サーバ起動

$ bundle exec ruby myapp.rb

localhost:4567 をみる。
Hello world! と表示されていれば成功。

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