nginx反向代理

location /api
{
    expires 12h;
    if ($request_uri ~* "(php|jsp|cgi|asp|aspx)")
    {
         expires 0;
    }
    proxy_pass http://www.xxx.com:8080/;
    proxy_set_header Host www.xxx.com;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header REMOTE-HOST $remote_addr;
    add_header Cache-Control no-cache;
    add_header X-Cache $upstream_cache_status;
    proxy_set_header Accept-Encoding "";
    sub_filter_once off;
    #开启缓存
    #proxy_cache cache_one;
    #proxy_cache_key $host$uri$is_args$args;
    #proxy_cache_valid 200 304 301 302 12h;
}