map $host $server_root {
    test.buyer.daxiangzj.com /var/www/html/public/buyer;
    test.seller.daxiangzj.com /var/www/html/public/seller;
    buyer.daxiangzj.com /var/www/html/public/buyer;
    seller.daxiangzj.com /var/www/html/public/seller;
}

map $host $api_host {
    ~test.*.daxiangzj.com  test.api.yunduoxd.com;
    ~*.daxiangzj.com api.yunduoxd.com;
}

server {
    listen       80 default_server;
    server_name  _ ;

    #access_log  /var/log/nginx/$host.access.log  main;
    error_log /var/log/nginx/$host.error.log;
    access_log none;
    client_max_body_size 20m;


    root   $server_root;

    location / {
        index  index.html index.htm ;
    }

     location ~* ^/(api|uploads)/ {
         proxy_set_header Host $api_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_buffering                 off;
         proxy_pass   http://host.docker.internal;
    }


    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}