nginx匹配任意域名

具体需求：在不修改nginx配置的情况下，添加dns解析，增加多个独立域名站点

证书通过certbot生成多独立域名单证书文件：https://www.yuque.com/u26829067/ggkgmt/wn7ffmdmmrtgrfct

配置如下：

server {
    listen       80 default_server;
    server_name  _;
    return 301 https://$host$request_uri;
}
server {
    listen       443 ssl default_server;
    server_name  _;
    access_log   /var/log/nginx/www-access.log cloudflare;
    error_log    /var/log/nginx/www-error.log warn;
    ssl_certificate   /etc/letsencrypt/archive/qrtest.xxx.com/fullchain2.pem;
    ssl_certificate_key  /etc/letsencrypt/archive/qrtest.xxx.com/privkey2.pem;
        root /usr/share/nginx/html;
        index index.html;
    }
}