как правильно указать?
[code]
location ~* \/img\/[^/]*\.(jpg|jpeg|gif|png)$ {
root /var/nginx/$server_name;
# expires max;
expires 1m;
open_file_cache_errors off;
error_page 404 = @fetch;
access_log /var/log/nginx/domain.com.access.log;
error_log /var/log/nginx/domain.com.error.log error;
}
location @fetch {
internal;

proxy_pass http://backend;
proxy_store on;
access_log /var/log/nginx/domain.com.access.log;
error_log /var/log/nginx/domain.com.error.log error;
proxy_store_access user:rw group:rw all:r;
proxy_temp_path /var/nginx/proxy_temp;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
# proxy_set_header If-Modified-Since "";
root /var/nginx/$server_name;
[/code]