Understanding Terraform variables
In an earlier section, you learned about how you can write a resource code block in the Terraform configuration file. In that resource code block, we either hardcoded argument values or we referenced them from another resource code block. Now, we will try to understand how we can define those hardcoded values in a variable and define them in a separate file that can be used again and again.
Terraform variables
If you have basic experience of writing any scripting or programming language, you must have noticed that we can define some variables and use those defined variables again and again in the whole script. Likewise, in other programming languages, Terraform also supports variables that can be defined in the Terraform configuration code. The only difference between other programming language variables and Terraform variables is that, in Terraform variables, you are supposed to define input values when you want to execute your Terraform configuration...
