move broker url to .env
celery flower: init env and libs
pip: celery req spec
non-default celery app parameters
disable celery.worker_main() for now
activate CELERY_TRACE_APP
virtualenv pip bootstrap via .env
use non-homebrew rabbitmq-server
use vhost 'demo'
celery shell alias
default celeryconfig.py
DumpCam
import celery for shell