This course is designed to help IT companies that want to containerize business applications, as well as cloud computing engineers and operations & maintenance engineers who want to understand and learn how to diagnose problems and monitor the containerized application. By learning this course, you can fully understand what the problem diagnosis of containerized applications is, the common problems of containerized applications, the basic workflow of diagnosing problems, the monitoring scheme and common tools of containerized applications, and the visual monitoring scheme based on Alibaba Cloud Container Service. It provides a reference for the operation, monitoring, maintenance and continuous improvement of containerized applications