How to show stacktrace in logs in Phoenix production app?

Hi, I deployed my app to production using distillery, when I check the log var/log/erlang.log.1, only able to see

04:03:29.504 request_id=FhDvUq-23VwxBVkAAAHh [info] Sent 500 in 2626ms

Is there a way to show error stacktrace?