Configure activestorage for production

access keys and region are configured using environment variables

config/environments/production.rb

@@ -36,7 +36,7 @@ Rails.application.configure do
   # 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.active_storage.service = :amazon
 
   # Mount Action Cable outside main process or domain.
   # config.action_cable.mount_path = nil