This course is designed to help IT companies who want to containerize their business applications, as well as cloud computing engineers and cloud computing enthusiasts who want to learn container technologies. By learning this course, you can fully understand what the application containerization is, the layering theory of Docker image, the principle and common instructions of Dockerfile, common tools of application containerization, and how to deploy a containerized application based on Alibaba Cloud Container Service. So as to provide a reference for the evaluation, design and implementation of containerized applications