nginx locale redirect

locale-redirect.conf

# locale redirect
if ($http_accept_language ~* "^en") {
    set $locale_specific_subdomain "en";
}

if ($http_accept_language ~* "^fr") {
    set $locale_specific_subdomain "fr";
}

if ($http_accept_language ~* "^da") {
    set $locale_specific_subdomain "dk";
}

if ($http_accept_language ~* "^it") {
    set $locale_specific_subdomain "it";
}

if ($http_accept_language ~* "^es") {
    set $locale_specific_subdomain "es";
}

if ($http_accept_language ~* "^nl") {
    set $locale_specific_subdomain "nl";
}

location = / {
    add_header Vary "Accept-Language";
    error_page 461 = @shopware; // as default

    if ($http_accept_language ~* "^de") {
        return 461;
    }

    return 303 https://$locale_specific_subdomain.example.com;
}