Terraform: for each

• https://developer.hashicorp.com/terraform/language/meta-arguments/for_each

for_each

Examples

Official examples

resource "azurerm_resource_group" "rg" {
  for_each = {
    a_group = "eastus"
    another_group = "westus2"
  }
  name     = each.key
  location = each.value
}

resource "aws_ssm_parameter" "secret" {
  for_each    = toset(var.secrets)
  name        = each.key
  description = each.key
  type        = "SecureString"
  value       = "1"

  lifecycle {
    ignore_changes = [value]
  }
}

Errors

• Error: Unexpected resource instance key

Related

• for
• count
• Terraform best practices
• meta arguments

See also

• Terraform functions, Terraform collection functions: tolist, toset, length, sum, file, join, depends_on, zipmap, replace, lookup, read files, concat, merge, templatefile, for_each, format, element, slice, try, filebase64, upper, filemd5, coalesce, formatlist, flatten