Default DigitalOcean WordPress setup script

wp_setup.sh

#!/bin/bash
#
# WordPress activation script
#
# This script will configure Apache with the domain
# provided by the user and offer the option to set up
# LetsEncrypt as well.

# Enable WordPress on firstlogin
mv /var/www/html /var/www/html.old
mv /var/www/wordpress /var/www/html
chown -Rf www-data:www-data /var/www/html
echo "This script will copy the WordPress instalation into"
echo "Your web root and move the existing one to /var/www/html.old"
echo "--------------------------------------------------"
echo "This setup requires a domain name.  If you do not have one yet, you may"
echo "cancel this setup, press Ctrl+C.  This script will run again on your next login"
echo "--------------------------------------------------"
echo "Enter the domain name for your new WordPress site."
echo "(ex. example.org or test.example.org) do not include www or http/s"
echo "--------------------------------------------------"
a=0
while [ $a -eq 0 ]
do
 read -p "Domain/Subdomain name: " dom
 if [ -z "$dom" ]
 then
  a=0
  echo "Please provide a valid domain or subdomain name to continue to press Ctrl+C to cancel"
 else
  a=1
fi
done
sed -i "s/\$domain/$dom/g"  /etc/apache2/sites-enabled/000-default.conf
a2enconf block-xmlrpc

service apache2 restart
cp /etc/skel/.bashrc /root
echo -en "\n\n\n"
echo "Next, you have the option of configuring LetsEncrypt to secure your new site.  Before doing this, be sure that you have pointed your domain or subdomain to this server's IP address.  You can also run LetsEncrypt certbot later with the command 'certbot --apache'"
echo -en "\n\n\n"
 read -p "Would you like to use LetsEncrypt (certbot) to configure SSL(https) for your new site? (y/n): " yn
    case $yn in
        [Yy]* ) certbot --apache; echo "WordPress has been enabled at https://$dom  Please open this URL in a browser to complete the setup of your site.";break;;
        [Nn]* ) echo "WordPress has been enabled at http://$dom  Please open this URL in a browser to complete the setup of your site.";exit;;
        * ) echo "Please answer y or n.";;
    esac