Nginx做正向代理并缓存文件

server {
listen 83;
location / {
resolver 8.8.8.8;
proxy_pass             http://$http_host$uri$is_args$args; proxy_cache            STATIC;
proxy_cache_valid      200  10d;
proxy_cache_use_stale  error timeout invalid_header updating http_500 http_502 http_503 http_504;
}
}