countで台数指定"ec2-%02d", count.index + 1でタグ名をインクリメント
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resource "aws_instance" "ec2" { count = 3 ami = "ami-0f310fced6141e627" instance_type = "t3.micro" subnet_id = aws_subnet.private_subnet-1a.id vpc_security_group_ids = [aws_security_group.ec2_security_group .id] tags = { Name = "${format("ec2-%02d", count.index + 1)}" } } |