add celery background tasks and redis server for celery, also modify django to use redis instead of postgres for caching for speed improvement and alleviating sql traffic

src/pkmntrade_club/django_project/__init__.py

@@ -0,0 +1,5 @@
+# This will make sure the app is always imported when
+# Django starts so that shared_task will use this app.
+from .celery import app as celery_app
+
+__all__ = ('celery_app',)

src/pkmntrade_club/django_project/celery.py

@@ -0,0 +1,22 @@
+import os
+
+from celery import Celery
+
+# Set the default Django settings module for the 'celery' program.
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'pkmntrade_club.django_project.settings')
+
+app = Celery('django_project')
+
+# Using a string here means the worker doesn't have to serialize
+# the configuration object to child processes.
+# - namespace='CELERY' means all celery-related configuration keys
+#   should have a `CELERY_` prefix.
+app.config_from_object('django.conf:settings', namespace='CELERY')
+
+# Load task modules from all registered Django apps.
+app.autodiscover_tasks()
+
+
+@app.task(bind=True, ignore_result=True)
+def debug_task(self):
+    print(f'Request: {self.request!r}')

src/pkmntrade_club/django_project/settings.py

@@ -110,6 +110,7 @@ INSTALLED_APPS = [
     "whitenoise.runserver_nostatic",
     "django.contrib.staticfiles",
     "django.contrib.sites",
+    "django_celery_beat",
     "allauth",
     "allauth.account",
     'allauth.socialaccount.providers.google',
@@ -354,7 +355,13 @@ if DISABLE_CACHE:
 else:
     CACHES = {
         "default": {
-            "BACKEND": "django.core.cache.backends.db.DatabaseCache",
-            "LOCATION": "django_cache",
+            "BACKEND": "django.core.cache.backends.redis.RedisCache",
+            "LOCATION": "redis://redis:6379",
         }
     }
+
+CELERY_BROKER_URL = "redis://redis:6379"
+CELERY_RESULT_BACKEND = "redis://redis:6379"
+CELERY_TIMEZONE = "America/Los_Angeles"
+CELERY_ENABLE_UTC = True
+CELERY_BEAT_SCHEDULER = "django_celery_beat.schedulers:DatabaseScheduler"