# Server PORT=3000 # MySQL DB_HOST=your_db_host DB_USER=your_db_user DB_PASSWORD=your_db_password DB_NAME=xiaocai # Uploads UPLOAD_DIR=./uploads # Backup BACKUP_DIR=./backups # Token (REQUIRED - server will not start with default value) TOKEN_SECRET=change-me-to-a-secure-random-string # WeChat Mini Program WX_APPID=your_wx_appid WX_SECRET=your_wx_secret