config.py

import os
from dotenv import load_dotenv

load_dotenv()

class Config:
    SECRET_KEY = os.environ.get('SECRET_KEY') or 'dev-secret-key-change-in-production'
    # PostgreSQL Connection URI
    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or 'postgresql://postgres:postgres@localhost/cipher-vault'
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    UPLOAD_FOLDER = os.environ.get('UPLOAD_FOLDER') or 'uploads'
    MAX_CONTENT_LENGTH = 16 * 1024 * 1024  # 16MB max limit
    ALLOWED_EXTENSIONS = {
        'txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif', 'webp',
        'c', 'cpp', 'py', 'rb', 'go', 'kt', 'java', 'js', 'html', 'css',
        'php', 'cs', 'swift', 'rs', 'ts', 'sh', 'bat', 'zip', 'tar', 'gz'
    }