Sample(example.com 도메인)

server {
        listen 80 ;
        listen [::]:80 ;

        root /var/www/html;
        index index.html index.htm index.nginx-debian.html;
        
        server_name example.com;

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

        listen [::]:443 ssl ; 
        listen 443 ssl; 
        
        ssl_certificate /etc/letsencrypt/live/$server_name/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/$server_name/privkey.pem; 
        include /etc/letsencrypt/options-ssl-nginx.conf;
        ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
}