Automating Image Creation with HashiCorp Packer for DevOps - Using Environment Variables

The video tutorial explains how to use environment variables in Packer, especially for sensitive data like credentials. It covers setting environment variables, using them in Packer templates, and highlights default environment variables that Packer automatically sets. The tutorial concludes with a summary and introduces a Hands-on Labs exercise.

What are environment variables and how can they be used in Packer?

Why is it beneficial to use environment variables for sensitive values?

What is the significance of using environment variables for variables that change often?

What are some default environment variables that Packer defines at build time?

How does Packer handle the values of environment variables during a build?