Sinatraアプリ構築手順

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/sinatra_practice
 ├ /controller
 ├ /lib
 ├ /public
 ├ /views
 ├ app.rb
 ├ config.ru
 ├ Gemfile
  :

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$ bundle init

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source "https://rubygems.org"

gem "sinatra"
gem "sinatra-reloader"
gem "webrick"

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$ bundle config set path 'vendor/bundle'
$ bundle install

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require "sinatra/base"

class SampleApp < Sinatra::Base
  get "/" do
    ...
  end
end

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require "./app"

run SampleApp

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$ bundle exec rackup config.ru