Sinatra関連の小ネタ

get '/' do
  if settings.development?
    "development!"
  else
    "not development!"
  end
end

  source 'https://rubygems.org'

  ruby '2.7.2'

  gem 'sinatra'
+ gem 'sinatra-contrib'

  require 'sinatra'
+ require 'sinatra/reloader'

  get '/' do
    'Hello, World!!'
  end