location /stats {

proxy_pass http://127.0.0.1:8001;

proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;

proxy_redirect off;

proxy_buffering off;

proxy_set_header Host $host;

proxy_set_header X-Real-IP $remote_addr;

proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

access_log /var/log/nginx/piwik.access.log;

error_log /var/log/nginx/piwik.error.log;

}