core/config.py

import os
from dotenv import load_dotenv

load_dotenv()  # Load .env file

SECRET_KEY = os.getenv("SECRET_KEY")
if not SECRET_KEY:
    raise RuntimeError("SECRET_KEY not set!")

ALGORITHM = "HS256"
ACCESS_TOKEN_EXPIRE_MINUTES = 60

MONGO_URI = os.getenv("MONGO_URI")
if not MONGO_URI:
    raise RuntimeError("MONGO_URI not set!")