nginx: configure new domain

NEWDOMAIN=xxxxxxxxxxx.aprender.cloud

mkdir -p /var/www/$NEWDOMAIN/html
chown -R $USER:$USER /var/www/$NEWDOMAIN/html
chmod -R 755 /var/www/$NEWDOMAIN

echo Hi > /var/www/$NEWDOMAIN/html/index.html

cat << EOF > /etc/nginx/sites-available/$NEWDOMAIN
server {
        listen 80;
        listen [::]:80;

        root /var/www/$NEWDOMAIN/html;
        index index.html index.htm index.nginx-debian.html;

        server_name $NEWDOMAIN;

        location / {
                try_files \$uri \$uri/ =404;
        }
}
EOF

ln -s /etc/nginx/sites-available/$NEWDOMAIN /etc/nginx/sites-enabled/

apt install certbot python3-certbot-nginx
certbot --nginx -d $NEWDOMAIN
systemctl status certbot.timer
certbot renew --dry-run