Tips For Managing Terraform Variables | HackerNoon
Briefly

Using a variables.tf file centralizes your variable declarations, which makes it easier to manage dynamic data in infrastructure code.
Documenting variables with comments, descriptions, and README documentation enhances clarity, maintainability, and avoids errors in Terraform configurations.
Utilizing terraform.tfvars allows you to set default values for your Terraform variables, ensuring that standard configurations are automatically loaded, reducing redundancy.
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