Docker Certified Associate Certification Training Course - Docker Installation on Ubuntu Using Docker's Repository

The video tutorial explains how to install Docker using the Docker repository. It covers setting up the repository, updating packages, and installing necessary prerequisites like CA certificates and APT transport. The tutorial details the installation of Docker CE and its dependencies, container.io and Docker cicli. It also guides on installing specific Docker versions and concludes with running a Docker container using the Hello World example, demonstrating the download and execution of a container image from Docker Hub.

What are the three major Docker packages that need to be installed?

What happens when you run the Docker run Hello World command for the first time?