Automating Image Creation with HashiCorp Packer for DevOps - Hands-On Lab - Packer Variables

The video tutorial covers the use of variables in Packer templates, focusing on the types of variables, how to declare them, and how to refactor code to use these variables. It also explains the use of Packer variable files for parameterization and advanced techniques for setting variable values. The tutorial includes practical demonstrations in a lab environment, showing how to format, validate, and build Packer templates with variables.

How can you use a Packer variable file during the build process?

What is the significance of the 'var-file' flag in the Packer build command?

What are some ways to parameterize variables in Packer?

Why is it important to validate your Packer template after making changes?