diff --git a/apps/core/models.py b/apps/core/models.py
index 394e90f..00682fc 100644
--- a/apps/core/models.py
+++ b/apps/core/models.py
@@ -4,8 +4,9 @@ from datetime import datetime
 
 from django.db import models
 from django.utils.translation import gettext_lazy as _
-from django.core.cache import cache
+import logging
 
+logger = logging.getLogger(__name__)
 
 class BaseModel(models.Model):
     id = None
@@ -28,6 +29,7 @@ class ConfigValueChoices(models.TextChoices):
 
 
 class Config(BaseModel):
+    value_dict = {}
     key = models.CharField(_('key'), max_length=255, unique=True, db_index=True)
     value = models.TextField(_('value'), null=True, blank=True)
     value_type = models.CharField(choices=ConfigValueChoices.choices, max_length=64)
@@ -37,6 +39,7 @@ class Config(BaseModel):
     def get_value(self):
         return Config.get_value_of(self.key)
 
+
     @staticmethod
     def type_cast(value, value_type):
 
@@ -67,14 +70,16 @@ class Config(BaseModel):
 
         return value
 
+
+    # TODO: revoke cache mechanism
     @staticmethod
     def get_value_of(key, default=None, casting_type=None):
-        # TODO: use cache
-        config, created = Config.objects.get_or_create(key=key, defaults={'value': default})
+        if not key in Config.value_dict:
+            config, created = Config.objects.get_or_create(key=key, defaults={'value': default})
+            Config.value_dict[key] = Config.type_cast(config.value, casting_type or config.value_type)
+            logger.info(f'getting value of {key} from db: {Config.value_dict[key]}')
 
-        if config.value is None:
-            return default
-
-        value = Config.type_cast(config.value, casting_type or config.value_type)
+        value = Config.value_dict[key]
 
         return value
+
diff --git a/main/settings.py b/main/settings.py
index c164732..a621d15 100644
--- a/main/settings.py
+++ b/main/settings.py
@@ -17,6 +17,7 @@ from decouple import config
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
 
+
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/6.0/howto/deployment/checklist/
 
@@ -24,7 +25,7 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 SECRET_KEY = 'django-insecure-fmk!je04bz^-o#tuevr4wafj&1jna6*8*rh8f8po^is3k-0%oe'
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = config('DEBUG', default=True, cast=bool)
 
 ALLOWED_HOSTS = ['*']
 
@@ -38,22 +39,31 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    "django.contrib.gis",
+    "django.contrib.sitemaps",
 
     # pip installed apps
     'drf_spectacular',
     'oauth2_provider',
     'rest_framework',
+    'rest_framework_gis',
     'corsheaders',
     'crispy_forms',
     'crispy_bootstrap5',
     'django_filters',
-    'jalali_date',
-    'django_admin_logs',
+    # 'jalali_date',
+    'taggit',
+    'colorfield',
+    # 'django_minio_backend',
+    'django_minio_backend.apps.DjangoMinioBackendConfig',
 
     # local apps
     'apps.core',
     'apps.users',
     'apps.gooyal_oauth2',
+    'apps.stores',
+    'apps.suggestions',
+    'apps.crm'
 ]
 
 MIDDLEWARE = [
@@ -91,7 +101,7 @@ OAUTH2_PROVIDER = {
     #            'introspection': 'Introspect token scope'},
     'OAUTH2_VALIDATOR_CLASS': 'apps.gooyal_oauth2.validators.OAuth2Validator',
     'RESOURCE_SERVER_INTROSPECTION_URL': OAUTH2_PROVIDER_BASE_PRIVATE_URL + '/introspect/',
-    # 'RESOURCE_SERVER_AUTH_TOKEN': '3yUqsWtwKYKHnfivFcJu', # OR this but not both:
+    # ' RESOURCE_SERVER_AUTH_TOKEN': '3yUqsWtwKYKHnfivFcJu', # OR this but not both:
     'RESOURCE_SERVER_INTROSPECTION_CREDENTIALS': (OAUTH2_PROVIDER_CLIENT_ID, OAUTH2_PROVIDER_CLIENT_SECRET),
 }
 
@@ -145,7 +155,17 @@ DATABASES = {
         'PASSWORD': config('DB_PASSWORD'),
         'HOST': config('DB_HOST', '127.0.0.1'),
         'PORT': config('DB_PORT', ''),
+        "TEST": {
+            # psql commands: CREATE DATABASE template_postgis OWNER config('DB_USER') ; \c template_postgis; CREATE EXTENSION postgis;
+            "NAME": "test_{}".format(config('DB_NAME')),
+            # "TEMPLATE": "template_postgis",
+        },
+        # "CONN_MAX_AGE": 10,
+        "OPTIONS": {
+            "pool": True,
+        },
     }
+
 }
 
 # Password validation
@@ -200,7 +220,7 @@ else:
 
 
 SPECTACULAR_SETTINGS = {
-    'TITLE': 'IPG',
+    'TITLE': 'chat',
     'DESCRIPTION': 'service api reference',
     'VERSION': '1.0.0',
     'SERVE_INCLUDE_SCHEMA': False,
@@ -235,5 +255,8 @@ CACHES = {
     }
 }
 
+
 from main.other_settings.logging import get_logging_setting
-LOGGING = get_logging_setting()
\ No newline at end of file
+LOGGING = get_logging_setting()
+
+NOTIFICATIONS_BASE_PUBLIC_URL = config('NOTIFICATIONS_BASE_PUBLIC_URL', default=None, cast=str)