gistfile1.txt

upstream gstatic {
	server www.gstatic.com;
}

proxy_buffering on;
etag on;
proxy_temp_file_write_size 1024k;
proxy_temp_path   /var/cache/nginx/temp;
proxy_cache_path  /var/cache/nginx/cache levels=1:2 keys_zone=cache_one:100m inactive=19d max_size=5g;

server {
    listen 80;

    server_name gstatic.178.re;

    resolver 8.8.8.8;

    location / {
        sub_filter "www.gstatic.com" "gstatic.178.re";
        sub_filter "https" "http";
        sub_filter_once off;
        sub_filter_types *;
        proxy_pass_header Server;
        proxy_set_header Host www.gstatic.com;
        proxy_set_header Accept-Encoding '';
        proxy_redirect off;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Scheme $scheme;
        proxy_pass http://gstatic;
	      proxy_cache cache_one;
        proxy_cache_valid  200 304 365d;
        proxy_cache_key $host$uri$is_args$args;
	      proxy_cache_min_uses 1;
        expires max;
	      proxy_cache_revalidate on;
	      add_header X-Proxy-Cache $upstream_cache_status;
	      add_header  Cache-Control "public";
	      if_modified_since before;
    }

    
}