sudo apt install apache2 certbot python3-certbot-apache

sudo a2enmod ssl
sudo cp /etc/apache2/sites-available/{default-ssl,gamu.kr}.conf

<VirtualHost *:443>
	ServerName  gamu.kr     ## 추가
        ServerAlias www.gamu.kr ## ServerAlias는 더 추가 가능	
	
	ServerAdmin webmaster@localhost
	DocumentRoot /var/www/html

	ErrorLog ${APACHE_LOG_DIR}/error.log
	CustomLog ${APACHE_LOG_DIR}/access.log combined

	SSLEngine on

	SSLCertificateFile      /etc/ssl/certs/ssl-cert-snakeoil.pem
	SSLCertificateKeyFile   /etc/ssl/private/ssl-cert-snakeoil.key
	<FilesMatch "\.(?:cgi|shtml|phtml|php)$">
		SSLOptions +StdEnvVars
	</FilesMatch>
	<Directory /usr/lib/cgi-bin>
		SSLOptions +StdEnvVars
	</Directory>
</VirtualHost>