# Database DB_PASSWORD=your_secure_password_here # JWT Authentication JWT_SECRET=your_jwt_secret_key_here # Korea Investment & Securities OpenAPI KIS_APP_KEY=your_kis_app_key KIS_APP_SECRET=your_kis_app_secret KIS_ACCOUNT_NO=your_account_number # DART OpenAPI (Financial Statements) DART_API_KEY=your_dart_api_key