Subdomains for language (django)?

Question

Django

Good afternoon.
Used by i18n_patterns
language versions of the site are available at:
site.ru/kk/
site.ru/ru/
site.ru/en/
How to make language versions available at:
kk.site.ru
ru.site.ru
en .site.ru

Answer 1

server {
    server_name "~^(?<sub>\w+)*\.(?<domain>.*)$";
    proxy_pass http://$domain/$sub/$request_uri;
}