provider "aws" {
  region = "us-east-2"
}

# A local variable that chooses a free-tier instance type depending on region
locals {
  # In some newer regions, t2.micro isn't available, so we fall back to t3.micro
  free_tier_instance_type = contains(
    ["us-east-1", "us-west-1", "us-west-2", "eu-west-1", "ap-southeast-1"],
    var.region
  ) ? "t2.micro" : "t3.micro"
}

# Add a variable so you can override region easily if needed
variable "region" {
  default = "us-east-2"
}

resource "aws_instance" "example" {
  ami           = "ami-0fb653ca2d3203ac1"
  instance_type = local.free_tier_instance_type

  tags = {
    Name = "terraform-example"
  }
}