Create Subdomain at DigitalOcean (Apache)

Create a New Hostname with an A Record
- To add the hostname from the control panel, click Networking in the main menu. In the Domains tab, click the domain name you would like to add the new hostname to.
- In the Create new record screen, click the A tab.
Create sub directory & host project files
- Create a directory under /var/www/ the directory using the commands
- cd /var/www/
- mkdir subdomain.website.com
- sudo nano index.html
Configure Virtual Host
- cd /etc/apache2/sites-available/
- cp 000-default.conf subdomain.website.com.conf
- nano subdomain.website.com.conf
- Now once you are inside the config file, change the following
  - #ServerName
  - #ServerAlias
  - #DocumentRoot
Enabling the New Virtual Host Files
- sudo a2ensite subdomain.website.com.conf
- sudo a2dissite 000-default.conf
- sudo systemctl restart apache2