Docker Certified Associate Certification Training Course - Docker Images

The video tutorial explains Docker images, comparing them to pictures as templates frozen in time. It covers the concept of multi-layered storage in Docker images, where each layer is writable only when running. The tutorial discusses base images, how to create and modify Docker images, and the process of building images from scratch using Docker files. It emphasizes the importance of the base image as a starting point and the use of commands to build and tag images.

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