nginx proxy_pass uploads

nginx.conf

location ~* \.(?:ico|gif|jpe?g|png)$ { 
       try_files $uri $uri/ @s3;
       expires 8h; 
       add_header Pragma public;
       add_header Cache-Control "public, must-revalidate, proxy-revalidate";
}

location @s3 {
	expires 8h;
	add_header Pragma public;
	add_header Cache-Control "public, must-revalidate, proxy-revalidate";
	proxy_cache_methods GET HEAD;
	proxy_pass_request_body off;
	proxy_set_header Content-Length 0; # prevent big POST-style requests to S3
	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
	proxy_pass http://your.s3domain.com;
}