update production DB to Azure managed

sikweb/settings.py

@@ -49,7 +49,7 @@ TELEGRAM_BOT_TOKEN = os.getenv('TG_BOT_TOKEN', '<tg token>')
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.postgresql_psycopg2',
-        'NAME': os.getenv('DB_USER', 'postgres'),
+        'NAME': os.getenv('DB_NAME', 'postgres'),
         'USER': os.getenv('DB_USER', 'postgres'),
         'PASSWORD': os.getenv('DB_PASSWD', 'postgres'),
         'HOST': os.getenv('DB_HOST', 'localhost'),