Nginx reverse proxy

server {

   listen 80;
   listen [::]:80 ipv6only=on;

   server_name mynextcloudurl.com;
   root /var/www/mynextcloudurl.com;

   index index.html;
   location / {
           try_files $uri $uri/ =404;
   }

}

sudo ln -s /etc/nginx/sites-available/nextcloud /etc/nginx/sites-enabled/ sudo systemctl reload nginxsudo certbot --rsa-key-size 4096 --nginx

sudo certbot --rsa-key-size 4096 --nginx