server {
    listen 80;
    server_name domain.dynnamn.ru domain2.dynnamn.ru;

    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    location / {
        return 301 https://$host$request_uri;
    }
}

server {
    listen 443 ssl;
    server_name domain.dynnamn.ru;

    ssl_certificate /etc/letsencrypt/live/domain.dynnamn.ru/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/domain.dynnamn.ru/privkey.pem;

    location / {
	charset utf-8;
	default_type text/plain;
	return 200 "Hello domain.dynnamn.ru!";
        # proxy_pass http://your_app_container:port;
        # proxy_set_header Host $host;
    }
}