Refactoring code for modular approach

app/core/config.py

@@ -0,0 +1,26 @@
+from pydantic_settings import BaseSettings
+from typing import List
+import os
+
+
+class Settings(BaseSettings):
+    PROJECT_NAME: str = "Ecommerce Backend API with Marketplace Support"
+    DESCRIPTION: str = "Advanced product management system with JWT authentication"
+    VERSION: str = "2.2.0"
+
+    DATABASE_URL: str = os.getenv("DATABASE_URL", "postgresql://user:password@localhost/ecommerce")
+    SECRET_KEY: str = os.getenv("SECRET_KEY", "your-secret-key-change-in-production")
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
+
+    ALLOWED_HOSTS: List[str] = ["*"]  # Configure for production
+
+    # Rate limiting
+    RATE_LIMIT_REQUESTS: int = 100
+    RATE_LIMIT_WINDOW: int = 3600
+
+    class Config:
+        env_file = ".env"
+        extra = "ignore"
+
+
+settings = Settings()