502 Bad Gateway (╯°□°）╯︵ ┻━┻

Mulysa DEV is propably not running... To make it running, do:

sudo -Hu mulysa /bin/bash
cd ~/mulysa
pipenv run gunicorn drfx.wsgi:application --bind 127.0.0.1:8000

Do remember Mailcatcher service too

Lastly, remember to ┬──┬ ノ( ゜-゜ノ) It's nice table after all