HashiCorp Terraform Certified Associate Preparation Guide/

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Configure Resource Using a dynamic Block

Configure Resource Using a dynamic Block

Learn how to configure a resource using a dynamic block.

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In the previous lesson, we saw an example of a virtual network with a single subnet defined as a nested block.

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  subnet {
    name           = "subnet1"
    address_prefix = cidrsubnet(var.address_space[0],8,1)
  }

The dynamic block

A virtual network will typically involve more than one subnet. We could define a separate nested block for each subnet, but that’s not a scalable or dynamic approach. It makes more sense to dynamically generate the nested blocks based on the values in variables. The mechanism for creating the nested blocks is called dynamic blocks.

A dynamic block can be used inside ...