import os

class Config:
    SECRET_KEY = os.environ.get("SECRET_KEY", "dev-secret-key")
    SQLALCHEMY_DATABASE_URI = os.environ.get("DATABASE_URL", "sqlite:///site.db")
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    UPLOAD_FOLDER = os.path.join(os.getcwd(), "uploads")
    MAX_CONTENT_LENGTH = 32 * 1024 * 1024
    ALLOWED_IMAGE_EXTENSIONS = {"jpg", "jpeg", "png"}