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pryでrails+dockerのデバックをする

Last updated at Posted at 2020-08-22

この記事の目的

  • rails
  • docker

でpryを使ったデバックをするまでをまとめる

dockerの設定

docker-compose.yml
services:
  web:
    stdin_open: true
    tty: true
  • stdin_open・・・コンテナの標準入力をオープンしたままにする
  • tty・・・コンテナに疑似TTYを割り当てる

gem

group :development, :test do
  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
  gem 'pry-rails'
  gem 'pry-byebug'
  gem 'pry-doc'
end

実際にByebugを使う場合

dockerを立ち上げ、

docker ps

でwebのidを調べる。

docker attach <container name or ID>

byebugを走らせたいところに

binding.pry

参考文献

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