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HashiCorp Certified: Terraform Associate Terraform Associate (004) · Domain 1: Infrastructure as Code (IaC) with Terraform

Declarative (describe the end state) vs imperative (list the steps) approaches

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Last reviewed September 25, 2026 · Leer en español

There are two broad ways to tell a tool what infrastructure you want. An imperative approach lists the steps: create a network, then create a subnet, then launch two servers, then attach a disk. A declarative approach describes the end state: there should be one network, one subnet and two servers with disks attached, and the tool works out the steps.

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