how to manualy add logging handler to gunicorn logger in standalone application?
<p>I am write standalone gunicorn application like this: <a href="http://docs.gunicorn.org/en/stable/custom.html?highlight=standalone" rel="nofollow noreferrer">http://docs.gunicorn.org/en/stable/custom.html?highlight=standalone</a></p>

<p>And I want to logging gunicorn error messages in logstash. 
My question:</p>

<p>How to get gunicorn error (and access) logger objects inside my app and add handler on it?</p>