add celery beat schedule

.dockerignore

@@ -5,3 +5,4 @@ __pycache__
 venv
 src/staticfiles
 src/db/db.sqlite3
+celerybeat-schedule

.gitignore

@@ -5,3 +5,4 @@ __pycache__
 venv
 src/staticfiles
 src/db/db.sqlite3
+celerybeat-schedule

README.md

@@ -99,7 +99,7 @@ Then run the following commands.
 python -m pip install -U -r requirements-dev.txt
 cd src
 python manage.py migrate
-python manage.py runserver & celery --app config worker -l DEBUG
+python manage.py runserver & celery --app config worker --beat -S django --loglevel DEBUG
 ```
 
 Go to: http://localhost:8000

src/config/settings.py

@@ -271,3 +271,10 @@ CELERY_CACHE_BACKEND = "default"
 CELERY_TASK_SERIALIZER = "pickle"
 # https://docs.celeryq.dev/en/stable/userguide/configuration.html#std-setting-accept_content
 CELERY_ACCEPT_CONTENT = ["application/json", "application/x-python-serialize"]
+
+CELERY_BEAT_SCHEDULE = {
+    "reload_calendar": {
+        "task": "Reload calendar",
+        "schedule": 60 * 60 * 6,  # every 6 hours
+    },
+}

supervisord.conf

@@ -12,7 +12,7 @@ stderr_logfile=/dev/stderr
 stderr_logfile_maxbytes=0
 
 [program:celery]
-command=celery --app config worker --loglevel INFO --without-mingle --without-gossip
+command=celery --app config worker --beat -S django --loglevel INFO --without-mingle --without-gossip
 user=abc
 stopasgroup=true
 stopwaitsecs=60
@@ -20,4 +20,4 @@ priority=5
 stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
-stderr_logfile_maxbytes=0
+stderr_logfile_maxbytes=0