1 files changed, 7 insertions, 2 deletions
diff --git a/app/models/dependency_proxy/registry.rb b/app/models/dependency_proxy/registry.rb
index 471d5be2600..6492acf325a 100644
--- a/app/models/dependency_proxy/registry.rb
+++ b/app/models/dependency_proxy/registry.rb
@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
 class DependencyProxy::Registry
-  AUTH_URL = 'https://auth.docker.io'.freeze
-  LIBRARY_URL = 'https://registry-1.docker.io/v2'.freeze
+  AUTH_URL = 'https://auth.docker.io'
+  LIBRARY_URL = 'https://registry-1.docker.io/v2'
+  PROXY_AUTH_URL = Gitlab::Utils.append_path(Gitlab.config.gitlab.url, "jwt/auth")
 
   class << self
     def auth_url(image)
@@ -17,6 +18,10 @@ class DependencyProxy::Registry
       "#{LIBRARY_URL}/#{image_path(image)}/blobs/#{blob_sha}"
     end
 
+    def authenticate_header
+      "Bearer realm=\"#{PROXY_AUTH_URL}\",service=\"#{::Auth::DependencyProxyAuthenticationService::AUDIENCE}\""
+    end
+
     private
 
     def image_path(image)