Terraform group membership example

group_membership.tf

resource "aws_iam_group_membership" "administrator_access_prod" {
  name = "administrator-access-prod"
  users = [
    aws_iam_user.first_user.name,
    aws_iam_user.second_user.name,
  ]
  group = aws_iam_group.administrator_access_prod.name
}