Fix relative URL with composer package

app/presenters/packages/composer/packages_presenter.rb

@@ -12,7 +12,7 @@ module Packages
 
       def root
         path = api_v4_group___packages_composer_package_name_path({ id: @group.id, package_name: '%package%$%hash%', format: '.json' }, true)
-        { 'packages' => [], 'provider-includes' => { 'p/%hash%.json' => { 'sha256' => provider_sha } }, 'providers-url' => path }
+        { 'packages' => [], 'provider-includes' => { 'p/%hash%.json' => { 'sha256' => provider_sha } }, 'providers-url' => ENV['RAILS_RELATIVE_URL_ROOT'] ? ENV['RAILS_RELATIVE_URL_ROOT'] + path : path }
       end
 
       def provider

changelogs/unreleased/john_long-composer-package-relative-url.yml

+---
+title: Fix relative URL with composer package
+merge_request:
+author:
+type: fixed