group :development, :test do # Call 'byebug' anywhere in the code to stop execution and get a debugger console gem 'byebug', platforms: [:mri, :mingw, :x64_mingw] # Adds support for Capybara system testing and selenium driver gem 'capybara…

Herokuにログインする $ heroku login Postgresを使ったアプリを作成 $ rails new myapp --database=postgresql 動作確認用にコントローラーを作っておく $ rails generate controller welcome <h2>Hello World</h2> <p> The time is now: <%= Time.now %> </p> app/views/we…