Backend finished

Co-authored-by: Álvaro <alvaro6gv@users.noreply.github.com>

backend/app/core/config.py

@@ -0,0 +1,22 @@
+from pydantic_settings import BaseSettings
+from dotenv import load_dotenv
+import os
+
+load_dotenv()
+
+class Settings(BaseSettings):
+    DB_URL: str = os.getenv('DB_URL')
+    SECRET_KEY: str = os.getenv('SECRET_KEY')
+    ALGORITHM: str = os.getenv('ALGORITHM', 'HS256')
+    EXPIRATION: int = int(os.getenv('EXPIRATION', 86400))
+    
+    TOTP_INTERVAL: int = int(os.getenv('TOTP_INTERVAL', 30))
+    TOTP_DIGITS: int = int(os.getenv('TOTP_DIGITS', 6))
+    TOTP_ALGORITHM: str = os.getenv('TOTP_ALGORITHM', 'SHA1')
+    TOTP_ISSUER: str = os.getenv('TOTP_ISSUER', 'SSII2FA')
+    TOTP_NAME_PREFIX: str = os.getenv('TOTP_NAME_PREFIX', 'user')
+    
+    class Config:
+        env_file = ".env"
+        
+settings = Settings()