Terraform Best Practices: Using cidrsubnet and Loops for Scalable Subnet Management

Terraform Best Practices: Using cidrsubnet and Loops for Scalable Subnet Management

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Managing scalable and maintainable subnets is a cornerstone of efficient infrastructure as code (IaC) with Terraform. Rather than hardcoding subnet CIDRs manually, using cidrsubnet in conjunction with Terraform loops (like for_each or count) enables you to create subnet blocks dynamically and programmatically. This approach reduces error, enhances clarity, and promotes reusability.