export MY_DOMAIN="my_domain"

apt install nginx

ufw allow 'Nginx HTTP'

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

echo "Hello world" | /var/www/$MY_DOMAIN/html/index.html

cp basic_serverblock.txt /etc/nginx/sites-available/$MY_DOMAIN

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

# sudo nano /etc/nginx/nginx.conf
server_names_hash_bucket_size 64;