<% if scope.function_onion_global_service_hostname(['debug.mirrors.debian.org']) -%>
ServerAlias <%= scope.function_onion_global_service_hostname(['debug.mirrors.debian.org']) %>
<% end %>
+ ServerAlias debug.backend.mirrors.debian.org
ServerAlias *.debug.backend.mirrors.debian.org
RedirectMatch "^/$" /debian-debug/