A short video that shows a quick run of nginx with ssl on IPv6 via cloudflare - the nginx configuration shown in the video does not include adding vhosts and more.
apt-get update && apt-get dist-upgrade && apt-get autoclean && apt-get autoremove
apt install nginx
apt install -y certbot
certbot -d <twoja domena> --manual --preferred-challenges dns certonly
apt install nano
nano /etc/nginx/sites-available/default
(CTRL + O saves. CTRL + X exits Nano.)
service nginx restart