Usage

Put this location in your nginx config

error_page 502 503 504 @write_riemann;

location @write_riemann {
    proxy_set_header  X-Status-Code $status;
    proxy_set_header  Host $http_host;
    proxy_set_header  Cookie "";
    proxy_set_header  Authorization "";
    proxy_redirect    off;
    proxy_pass        http://localhost:9000;
}