Ruby on Railsでデォフォルト機能を消す

- 10月 28, 2023

Ruby on Railsで最初にプロジェクトを初期化した後にルーティングを見るといきなり情報過多で「えぇぇ」っとなりますのでスッキリさせたい。

> rails routes

上記コマンドを実行すると以下のように大量に出てきます。

                                  Prefix Verb   URI Pattern                          Controller#Action
           rails_postmark_inbound_emails POST   /rails/action_mailbox/postmark/inbound_emails(.:format)                          action_mailbox/ingresses/postmark/inbound_emails#create
              rails_relay_inbound_emails POST   /rails/action_mailbox/relay/inbound_emails(.:format)                          action_mailbox/ingresses/relay/inbound_emails#create
           rails_sendgrid_inbound_emails POST   /rails/action_mailbox/sendgrid/inbound_emails(.:format)                          action_mailbox/ingresses/sendgrid/inbound_emails#create
     rails_mandrill_inbound_health_check GET    /rails/action_mailbox/mandrill/inbound_emails(.:format)                          action_mailbox/ingresses/mandrill/inbound_emails#health_check
           rails_mandrill_inbound_emails POST   /rails/action_mailbox/mandrill/inbound_emails(.:format)                          action_mailbox/ingresses/mandrill/inbound_emails#create
            rails_mailgun_inbound_emails POST   /rails/action_mailbox/mailgun/inbound_emails/mime(.:format)                          action_mailbox/ingresses/mailgun/inbound_emails#create
          rails_conductor_inbound_emails GET    /rails/conductor/action_mailbox/inbound_emails(.:format)                          rails/conductor/action_mailbox/inbound_emails#index
                                         POST   /rails/conductor/action_mailbox/inbound_emails(.:format)                          rails/conductor/action_mailbox/inbound_emails#create
           rails_conductor_inbound_email GET    /rails/conductor/action_mailbox/inbound_emails/:id(.:format)                          rails/conductor/action_mailbox/inbound_emails#show
                                         PATCH  /rails/conductor/action_mailbox/inbound_emails/:id(.:format)                          rails/conductor/action_mailbox/inbound_emails#update
                                         PUT    /rails/conductor/action_mailbox/inbound_emails/:id(.:format)                          rails/conductor/action_mailbox/inbound_emails#update
                                         DELETE /rails/conductor/action_mailbox/inbound_emails/:id(.:format)                          rails/conductor/action_mailbox/inbound_emails#destroy
new_rails_conductor_inbound_email_source GET    /rails/conductor/action_mailbox/inbound_emails/sources/new(.:format)                              rails/conductor/action_mailbox/inbound_emails/sources#new
   rails_conductor_inbound_email_sources POST   /rails/conductor/action_mailbox/inbound_emails/sources(.:format)                                  rails/conductor/action_mailbox/inbound_emails/sources#create
   rails_conductor_inbound_email_reroute POST   /rails/conductor/action_mailbox/:inbound_email_id/reroute(.:format)                               rails/conductor/action_mailbox/reroutes#create
rails_conductor_inbound_email_incinerate POST   /rails/conductor/action_mailbox/:inbound_email_id/incinerate(.:format)                            rails/conductor/action_mailbox/incinerates#create
                      rails_service_blob GET    /rails/active_storage/blobs/redirect/:signed_id/*filename(.:format)                               active_storage/blobs/redirect#show
                rails_service_blob_proxy GET    /rails/active_storage/blobs/proxy/:signed_id/*filename(.:format)                                  active_storage/blobs/proxy#show
                                         GET    /rails/active_storage/blobs/:signed_id/*filename(.:format)                          active_storage/blobs/redirect#show
               rails_blob_representation GET    /rails/active_storage/representations/redirect/:signed_blob_id/:variation_key/*filename(.:format) active_storage/representations/redirect#show
         rails_blob_representation_proxy GET    /rails/active_storage/representations/proxy/:signed_blob_id/:variation_key/*filename(.:format)    active_storage/representations/proxy#show
                                         GET    /rails/active_storage/representations/:signed_blob_id/:variation_key/*filename(.:format)          active_storage/representations/redirect#show
                      rails_disk_service GET    /rails/active_storage/disk/:encoded_key/*filename(.:format)                          active_storage/disk#show
               update_rails_disk_service PUT    /rails/active_storage/disk/:encoded_token(.:format)                          active_storage/disk#update
                    rails_direct_uploads POST   /rails/active_storage/direct_uploads(.:format)                          active_storage/direct_uploads#create

これは Action Mailbox と Active Storage が最初から組み込まれるかららしいのですが、最初に学習する際は混乱の元なので消したいです。
上記の機能をオミットしてrails routesをスッキリさせるには以下です。

プロジェクト作成時にスキップさせる

rails new する時にオプションで削ることができます。

> rails new MyApp --skip-action-mailbox --skip-active-storage

これでスッキリです。
オプションは他にもあるので気になる場合は rails new -h で見てみてください。

既存プロジェクトから削除する

手作業で削除とコメントアウトします。

config/application.rb

require "rails/all"

上記を削除して以下を追加します。

require "rails"
require "active_model/railtie"
require "active_job/railtie"
require "active_record/railtie"
# require "active_storage/engine"
require "action_controller/railtie"
require "action_mailer/railtie"
# require "action_mailbox/engine"
# require "action_text/engine"
require "action_view/railtie"
require "action_cable/engine"
require "rails/test_unit/railtie"

config/environments/development.rb
以下の部分をコメントアウトします。

  config.active_storage.service = :local

config/environments/production.rb
以下の部分をコメントアウトします。

  config.active_storage.service = :local

config/environments/production.rb

  config.active_storage.service = :test

以上です。
これで rails routes してもスッキリ自分で追加したものだけが表示されるようになります。
最初に詰め込むより、後から追加できるようにしてほしかった気がしないでもないんですが、とりあえずスッキリしたのでヨシ。

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