create separate worker app for background tasks

app/worker.py

@@ -0,0 +1,31 @@
+import os
+from flask import Flask
+from misc import currDay
+from db import db, Period, Event
+from create_events import createEvents
+from apscheduler.schedulers.background import BlockingScheduler
+from apscheduler.triggers.cron import CronTrigger
+
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+app = Flask(__name__)
+app.config['SECRET_KEY'] = 'HwG55rpe83jcaglifXm8NuF4WEeXyJV4'
+app.config['SQLALCHEMY_DATABASE_URI'] =\
+           'sqlite:///' + os.path.join(basedir, os.environ['SQLITE_DB'])
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+db.init_app(app)
+
+# declare BlockingScheduler
+sched = BlockingScheduler()
+
+# run createEvents upon app launch
+with app.app_context():
+    createEvents(db, currDay, Period, Event)
+
+def eventsTask():
+    with app.app_context():
+        createEvents(db, currDay, Period, Event)
+sched.add_job(eventsTask, CronTrigger.from_crontab('00 * * * *'))
+print("Background worker started")
+sched.start()
+