app/controllers/active_storage/blobs/proxy_controller.rb
# frozen_string_literal: true # Proxy files through application. This avoids having a redirect and makes files easier to cache. class ActiveStorage::Blobs::ProxyController < ActiveStorage::BaseController include ActiveStorage::SetBlob include ActiveStorage::SetHeaders def show http_cache_forever public: true do set_content_headers_from @blob stream @blob end end end