terraform { required_providers { aws = { source = "hashicorp/aws" version = "~> 4.16" } } required_version = ">= 1.2.0" } provider "aws" { region = "us-west-2" } resource "aws_instance" "app_server" { ami = var.ami_id instance_type = "t2.micro" key_name = var.ami_key_pair_name security_groups = ["${aws_security_group.ingress-all-test.id}"] tags = { "Name" = var.ami_name } subnet_id = "${aws_subnet.subnet-uno.id}" }