server {
    listen [::]:80;
    listen      80;

    server_name ~^www\.(?<domain>.+)$;
    return      301 https://$domain$request_uri;
}

server {
    listen [::]:80;
    listen      80 default_server;

    server_name _;
    root        /usr/share/nginx/html;
    index       index.html;

    location / {
        error_page  404     /404.html;
    }

    location ~ '^/(?<lang_dir>\w{2})/' {
        error_page  404     /${lang_dir}/404.html;
    }

    # redirect server error pages to the static page /50x.html

    # error_page   500 502 503 504  /50x.html;
    # location = /50x.html {
    #     root   /usr/share/nginx/html;
    # }
}