import os
from dotenv import load_dotenv

# Load environment variables from a .env file
load_dotenv()

def get_config(key: str, default: str = None) -> str:
    """
    Retrieve a configuration value from environment variables.

    Args:
        key (str): The key of the configuration.
        default (str): The default value if the key is not found.

    Returns:
        str: The value of the configuration or the default value.
    """
    return os.getenv(key, default)