Fix database configuration and add actual domain

- Add quamtumtaskai.netcoptech.com to ALLOWED_HOSTS and CSRF_TRUSTED_ORIGINS
- Fix database configuration to fallback to SQLite when no PostgreSQL DATABASE_URL provided
- This should resolve the 502 Bad Gateway error caused by database connection failures

dokploy.json

@@ -14,10 +14,10 @@
     "PYTHONUNBUFFERED": "1",
     "DEBUG": "false",
     "SECRET_KEY": "production-key-change-this-123456789",
-    "ALLOWED_HOSTS": "*",
+    "ALLOWED_HOSTS": "quamtumtaskai.netcoptech.com,website-quantumtaskai-wrczik-cc50ac-31-97-62-205.traefik.me,*",
     "DOKPLOY_PROJECT_NAME": "quantum-tasks-ai",
     "SECURE_SSL_REDIRECT": "false",
     "SECURE_PROXY_SSL_HEADER": "HTTP_X_FORWARDED_PROTO,https",
-    "CSRF_TRUSTED_ORIGINS": "https://website-quantumtaskai-wrczik-cc50ac-31-97-62-205.traefik.me,http://website-quantumtaskai-wrczik-cc50ac-31-97-62-205.traefik.me"
+    "CSRF_TRUSTED_ORIGINS": "https://quamtumtaskai.netcoptech.com,http://quamtumtaskai.netcoptech.com,https://website-quantumtaskai-wrczik-cc50ac-31-97-62-205.traefik.me,http://website-quantumtaskai-wrczik-cc50ac-31-97-62-205.traefik.me"
   }
 }

netcop_hub/production_settings.py

@@ -15,17 +15,22 @@ if allowed_hosts_str:
 else:
     ALLOWED_HOSTS = []
 
-# Database
-DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.postgresql',
-        'NAME': os.environ.get('DB_NAME'),
-        'USER': os.environ.get('DB_USER'),
-        'PASSWORD': os.environ.get('DB_PASSWORD'),
-        'HOST': os.environ.get('DB_HOST', 'localhost'),
-        'PORT': os.environ.get('DB_PORT', '5432'),
+# Database - use PostgreSQL if DATABASE_URL is provided, otherwise SQLite
+DATABASE_URL = os.environ.get('DATABASE_URL')
+if DATABASE_URL:
+    # Parse DATABASE_URL for PostgreSQL
+    import dj_database_url
+    DATABASES = {
+        'default': dj_database_url.parse(DATABASE_URL)
+    }
+else:
+    # Use SQLite for simple deployments
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': BASE_DIR / 'db.sqlite3',
+        }
     }
-}
 
 # Static files
 STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')