server {

blablabla….
blablabla….

  listen 443 ssl;
  ssl_certificate /etc/letsencrypt/live/youre-domain.com/fullchain.pem;
  ssl_certificate_key /etc/letsencrypt/live/youre-domain.com/privkey.pem;
  include /etc/letsencrypt/options-ssl-nginx.conf;
  ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
}

server {
  if ($host = youre-domain.com) {
    return 301 https://$host$request_uri;
  }

  listen 80;
  server_name youre-domain.com;
  return 404;
}