log structure - jenhaoyang/backend_blog GitHub Wiki 參考: https://softall-tech.medium.com/log-smart-2-%E6%8E%A2%E8%A8%8E-log-%E5%9F%BA%E7%A4%8E%E5%BB%BA%E8%A8%AD%E7%9A%84%E8%A6%8F%E6%A8%A1-96094c0a745c