43373
# 環境

Rails 5.1.5  
webpack 3.11.0

# エラーメッセージ

```

    remote:        Webpacker is installed  
    remote:        Using /tmp/build_a60546bb726d2fa7f4b8b4ac052f461e/config/webpacker.yml file for setting up webpack paths
    remote:        Compiling…
    remote:        Compilation failed:
    remote:        bundler: failed to load command: webpack (/tmp/build_a60546bb726d2fa7f4b8b4ac052f461e/vendor/bundle/ruby/2.3.0/bin/webpack)
    remote:        Errno::ENOENT: No such file or directory - /tmp/build_a60546bb726d2fa7f4b8b4ac052f461e/node_modules/.bin/webpack
    
```
CC BY-SA 3.0
2018-04-19T03:27:46.977
43372
2018-04-19T03:30:09.223
23582
question
ruby-on-rails heroku webpack
Railsでwebpackerを入れるとherokuへのデプロイでこける
# 対策

```

    heroku buildpacks:clear
    heroku buildpacks:set heroku/nodejs
    heroku buildpacks:add heroku/ruby
    
```

# 原因

heroku buildpacksのデフォルトのnode関連のエンジンのバージョンが古いためのようです。

# 参考

<https://github.com/rails/webpacker/issues/739>  
<https://github.com/rails/webpacker/issues/1282>  
<https://github.com/heroku/heroku-buildpack-ruby/issues/712>  
<https://qiita.com/tatsuyankmura/items/728e190b92e0370eefbb>
CC BY-SA 3.0
2018-04-19T03:30:09.223
43373
2018-04-19T03:30:09.223
23582
43372
answer