Use config/storage.yml as part of the skeleton and loading

activestorage/README.md

@@ -91,7 +91,7 @@ Variation of image attachment:
 2. Add `require "active_storage"` to config/application.rb, after `require "rails/all"` line.
 3. Run `rails activestorage:install` to create needed directories, migrations, and configuration.
 4. Configure the storage service in `config/environments/*` with `config.active_storage.service = :local`
-   that references the services configured in `config/storage_services.yml`.
+   that references the services configured in `config/storage.yml`.
 5. Optional: Add `gem "aws-sdk", "~> 2"` to your Gemfile if you want to use AWS S3.
 6. Optional: Add `gem "google-cloud-storage", "~> 1.3"` to your Gemfile if you want to use Google Cloud Storage.
 7. Optional: Add `gem "mini_magick"` to your Gemfile if you want to use variants.

activestorage/config/storage_services.yml

-test:
-  service: Disk
-  root: <%= Rails.root.join("tmp/storage") %>
-
-local:
-  service: Disk
-  root: <%= Rails.root.join("storage") %>
-
-# Use rails secrets:edit to set the AWS secrets (as shared:aws:access_key_id|secret_access_key)
-amazon:
-  service: S3
-  access_key_id: <%= Rails.application.secrets.dig(:aws, :access_key_id) %>
-  secret_access_key: <%= Rails.application.secrets.dig(:aws, :secret_access_key) %>
-  region: us-east-1
-  bucket: your_own_bucket
-
-# Remember not to checkin your GCS keyfile to a repository
-google:
-  service: GCS
-  project: your_project
-  keyfile: <%= Rails.root.join("path/to/gcs.keyfile") %>
-  bucket: your_own_bucket
-
-microsoft:
-  service: Azure
-  path: your_azure_storage_path
-  storage_account_name: your_account_name
-  storage_access_key: <%= Rails.application.secrets.azure[:secret_access_key] %>
-  container: your_container_name
-
-mirror:
-  service: Mirror
-  primary: local
-  mirrors: [ amazon, google ]

activestorage/lib/active_storage/engine.rb

@@ -31,7 +31,7 @@ class Engine < Rails::Engine # :nodoc:
     initializer "active_storage.services" do
       config.after_initialize do |app|
         if config_choice = app.config.active_storage.service
-          config_file = Pathname.new(Rails.root.join("config/storage_services.yml"))
+          config_file = Pathname.new(Rails.root.join("config/storage.yml"))
           raise("Couldn't find Active Storage configuration in #{config_file}") unless config_file.exist?
 
           require "yaml"

activestorage/lib/active_storage/service.rb

@@ -10,7 +10,7 @@
 # * +Mirror+, to be able to use several services to manage attachments.
 #
 # Inside a Rails application, you can set-up your services through the
-# generated <tt>config/storage_services.yml</tt> file and reference one
+# generated <tt>config/storage.yml</tt> file and reference one
 # of the aforementioned constant under the +service+ key. For example:
 #
 #   local:

railties/lib/rails/generators/rails/app/app_generator.rb

@@ -122,9 +122,10 @@ def config
 
     def config_when_updating
       cookie_serializer_config_exist = File.exist?("config/initializers/cookies_serializer.rb")
-      action_cable_config_exist = File.exist?("config/cable.yml")
-      rack_cors_config_exist = File.exist?("config/initializers/cors.rb")
-      assets_config_exist = File.exist?("config/initializers/assets.rb")
+      action_cable_config_exist      = File.exist?("config/cable.yml")
+      active_storage_config_exist    = File.exist?("config/storage.yml")
+      rack_cors_config_exist         = File.exist?("config/initializers/cors.rb")
+      assets_config_exist            = File.exist?("config/initializers/assets.rb")
 
       config
 
@@ -136,6 +137,10 @@ def config_when_updating
         template "config/cable.yml"
       end
 
+      if !active_storage_config_exist
+        template "config/storage.yml"
+      end
+
       unless rack_cors_config_exist
         remove_file "config/initializers/cors.rb"
       end

railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt

@@ -27,7 +27,7 @@ Rails.application.configure do
     config.cache_store = :null_store
   end
 
-  # Store uploaded files on the local file system (see config/storage_services.yml for options)
+  # Store uploaded files on the local file system (see config/storage.yml for options)
   config.active_storage.service = :local
   <%- unless options.skip_action_mailer? -%>
 

railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt

@@ -45,7 +45,7 @@ Rails.application.configure do
   # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
   # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
 
-  # Store uploaded files on the local file system (see config/storage_services.yml for options)
+  # Store uploaded files on the local file system (see config/storage.yml for options)
   config.active_storage.service = :local
   <%- unless options[:skip_action_cable] -%>
   # Mount Action Cable outside main process or domain

railties/lib/rails/generators/rails/app/templates/config/storage.yml

+test:
+  service: Disk
+  root: <%= Rails.root.join("tmp/storage") %>
+
+local:
+  service: Disk
+  root: <%= Rails.root.join("storage") %>
+
+# Use rails secrets:edit to set the AWS secrets (as shared:aws:access_key_id|secret_access_key)
+# amazon:
+#   service: S3
+#   access_key_id: <%= Rails.application.secrets.dig(:aws, :access_key_id) %>
+#   secret_access_key: <%= Rails.application.secrets.dig(:aws, :secret_access_key) %>
+#   region: us-east-1
+#   bucket: your_own_bucket
+
+# Remember not to checkin your GCS keyfile to a repository
+# google:
+#   service: GCS
+#   project: your_project
+#   keyfile: <%= Rails.root.join("path/to/gcs.keyfile") %>
+#   bucket: your_own_bucket
+
+# microsoft:
+#   service: Azure
+#   path: your_azure_storage_path
+#   storage_account_name: your_account_name
+#   storage_access_key: <%= Rails.application.secrets.dig(:azure, :secret_access_key) %>
+#   container: your_container_name
+
+# mirror:
+#   service: Mirror
+#   primary: local
+#   mirrors: [ amazon, google, microsoft ]

railties/test/generators/app_generator_test.rb

@@ -64,7 +64,7 @@
   config/routes.rb
   config/secrets.yml
   config/spring.rb
-  config/storage_services.yml
+  config/storage.yml
   db
   db/seeds.rb
   lib