server {
    listen       80;
    server_name  cacserver;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";

    location / {
        root   /home/xydl/ncac/static;
        index  index.html index.htm;
    }

    location /cac-api/ {
        proxy_pass http://127.0.0.1:8099/;
    }

    location /data {
        alias  /home/xydl/ncac/data;
        autoindex on;
    }
}