fig=docker-compose
fig build
fig up
fig run [container name] bash
bundle install
fig run app bundle install
bin/spring [rails command]
fig run [container name] [command]
cp ./rails_app/.env.sample ./rails_app/.env
(binding.pryで停止した後)
docker ps
コンテナの名前を調べて(xxxxx_app_1など)
docker attach xxxxx_app_1