Add celery beat worker

.gitignore

@@ -62,3 +62,6 @@ browserstacklocal
 # configuration files
 override.ini
 atst-overrides.ini
+
+# binary file created by celery beat
+celerybeat-schedule

atst/queue.py

@@ -5,6 +5,7 @@ celery = Celery(__name__)
 
 def update_celery(celery, app):
     celery.conf.update(app.config)
+    celery.conf.CELERYBEAT_SCHEDULE = {}
 
     class ContextTask(celery.Task):
         def __call__(self, *args, **kwargs):

script/dev_queue

@@ -4,7 +4,7 @@
 
 set -e
 
-WORKER="pipenv run celery -A celery_worker.celery worker --loglevel=info"
+WORKER="pipenv run celery -A celery_worker.celery worker --loglevel=info -B"
 
 if [[ `command -v entr` ]]; then
   find atst | entr -r $WORKER