Use X-Sendfile to transmit native files and handle file uploads

config/environments/production.rb

@@ -38,7 +38,7 @@ Rails.application.configure do
 
   # Specifies the header that your server uses for sending files.
   # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
-  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
+  config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
 
   # Store uploaded files on the local file system (see config/storage.yml for options).
   config.active_storage.service = :local

config/environments/staging.rb

@@ -53,7 +53,7 @@ Rails.application.configure do
 
   # Specifies the header that your server uses for sending files.
   # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
-  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
+  config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
 
   # Store uploaded files on the local file system (see config/storage.yml for options).
   config.active_storage.service = :local

config/routes.rb

@@ -128,6 +128,7 @@ Rails.application.routes.draw do
   namespace :code_ocean do
     resources :files, only: %i[create destroy]
   end
+  get '/uploads/files/:id/:filename', to: 'code_ocean/files#show_protected_upload', as: :protected_upload, constraints: {filename: FILENAME_REGEXP}
 
   resources :file_types