Automating Image Creation with HashiCorp Packer for DevOps - Introduction to Variables

What are Packer variables used for in a build process?

Explain the difference between input variables and other types of variables mentioned in the text.

How do variables improve the usability of Packer templates?

What must be true about variables when they are created in a Packer template?

Describe how validation parameters can be used in variable declarations.

What are some examples of sensitive data that can be managed using Packer variables?

In what ways can variables be passed to Packer?