diff --git a/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
index b75b65c8df710..825c4ba061b4d 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
@@ -26,6 +26,9 @@ 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)
+  config.active_storage.service = :local
   <%- unless options.skip_action_mailer? -%>
 
   # Don't care if the mailer can't send.
diff --git a/railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt
index d44331a8880fa..24888c082f1f5 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt
@@ -45,6 +45,8 @@ 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)
+  config.active_storage.service = :local
   <%- unless options[:skip_action_cable] -%>
   # Mount Action Cable outside main process or domain
   # config.action_cable.mount_path = nil
diff --git a/railties/lib/rails/generators/rails/app/templates/config/environments/test.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/environments/test.rb.tt
index 56416b3075e42..fdf16b47303ed 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/environments/test.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/environments/test.rb.tt
@@ -27,6 +27,9 @@ Rails.application.configure do
 
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false
+
+  # Store uploaded files on the local file system in a temporary directory
+  config.active_storage.service = :test
   <%- unless options.skip_action_mailer? -%>
   config.action_mailer.perform_caching = false
 
diff --git a/railties/lib/rails/generators/rails/app/templates/config/storage_services.yml b/railties/lib/rails/generators/rails/app/templates/config/storage_services.yml
new file mode 100644
index 0000000000000..4ec284214597f
--- /dev/null
+++ b/railties/lib/rails/generators/rails/app/templates/config/storage_services.yml
@@ -0,0 +1,27 @@
+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
+
+# mirror:
+#   service: Mirror
+#   primary: local
+#   secondaries: [ amazon, google ]
diff --git a/railties/test/generators/app_generator_test.rb b/railties/test/generators/app_generator_test.rb
index aec73b6955962..78f4e38becfa5 100644
--- a/railties/test/generators/app_generator_test.rb
+++ b/railties/test/generators/app_generator_test.rb
@@ -64,6 +64,7 @@
   config/routes.rb
   config/secrets.yml
   config/spring.rb
+  config/storage_services.yml
   db
   db/seeds.rb
   lib