Automating Image Creation with HashiCorp Packer for DevOps - Declaring Packer Variables

The video tutorial explains how to declare and define variables in Packer, including using default files and command line options. It covers variable types such as string, number, list, and map, and discusses type constraints and inference. The tutorial also addresses handling sensitive variables by marking them as sensitive to obfuscate their values in outputs.

What are the default names that Hashicorp recommends for declaring variables?

How can you declare variables individually using the command line?

What happens if you declare a variable with a type of boolean and try to pass a string to it?

What are the most common variable types used in Packer templates?

What will Packer assume if you omit the type in your variable declaration?

How can you mark a variable as sensitive in Packer?

What is the significance of declaring a variable as sensitive in Packer output?