Nginx mirror镜像流量

https://cloud.tencent.com/developer/article/1495449

upstream backends {
    server 192.168.113.92:8888;
}

upstream test_backend {
    server 192.168.113.93:8888;
}

server {
    server_name mirror.test.com;
    listen 80;

    location / {
        mirror /mirror;
        proxy_pass http://backends;
    }

    location = /mirror {
        internal;
        proxy_pass http://test_backend$request_uri;
    }

}