Docker Certified Associate Certification Training Course - Dockerfile

The video tutorial explains Docker files, which are text files containing instructions to build Docker images. It covers creating custom images using base images like CentOS or Ubuntu, and adding layers such as Apache, PHP, and MySQL. The tutorial details the structure of Docker files, including comments and directives, and emphasizes the importance of Docker Hub for image distribution. Finally, it outlines the process of creating containers from Docker images using Docker build and Docker run commands.

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