🔧 Settings: settings.py에 앱 추가

config/settings.py

@@ -44,7 +44,9 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'django.contrib.postgres',
     'django_apscheduler',
+    'django_extensions',
     'rest_framework',
     'rest_framework_simplejwt',
     'rest_framework_simplejwt.token_blacklist',
@@ -52,6 +54,7 @@ INSTALLED_APPS = [
     'users',
     'portfolios',
     'projects',
+    'codes',
 ]
 
 MIDDLEWARE = [