Docker for the Absolute Beginner - Hands-On - Environment Variables

The video tutorial explains how to set a background color in a web application using Python code. It highlights the importance of using environment variables to manage such settings, allowing for easier changes in the future. The tutorial then demonstrates how to package the application into a Docker image and run it with different environment variables using the Docker run command. It also covers how to inspect a running Docker container to find the set environment variables.

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