NICKNAME=masterseo cat < main.tf provider "aws" { region = "ap-northeast-2" } resource "aws_instance" "example" { ami = "ami-0c76973fbe0ee100c" instance_type = "t2.micro" tags = { Name = "t101-week3" } } terraform { backend "s3" { bucket = "$NICKNAME-t101study-tfstate-week3" key = "workspaces-default/terraform.tfstate" region = "ap-northeast-2" dynamodb_table = "terraform-locks-week3" } } EOT