nginx-ssl-site.conf

server {
        listen 80;
        server_name ssl2.yogiman.cn;

    location /.well-known {
        allow all;
    }

    location / {
        return 301 https://$server_name$request_uri;
    }
}

server {
    listen 443 ssl;
    server_name ssl2.yogiman.cn;
    
    ssl_certificate /etc/letsencrypt/live/ssl2.yogiman.cn/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/ssl2.yogiman.cn/privkey.pem;

        root /var/www/html;
        index index.html;
    location / {
        try_files $uri $uri/ =404;
    }
}