Automating Image Creation with HashiCorp Packer for DevOps - Using Variables in Packer Templates

The video tutorial explains how to use variables in Packer templates, including general syntax, examples of usage, and methods to change variable values. It covers the priority of variable values when specified in multiple ways and introduces local variables, which are constants that cannot be overridden at runtime. The tutorial provides practical examples and highlights the differences between input and local variables.

What is the priority order for variable values in Packer?

What are local variables in Packer and how do they differ from input variables?

How do you reference a local variable in Packer?