gunicorn 작동 안될 때, 디버깅 --preload

--preload 추가

python manage.py migrate
python manage.py collectstatic --no-input --clear
gunicorn --preload --workers 5 --bind 0.0.0.0:8000 plab.wsgi:application --timeout 120

exec "$@"

출처 : https://18vs1004.tistory.com/11