add new tests for IaC codebase

2022/Days/IaC/Terratest/examples/instance.tf

@@ -0,0 +1,12 @@
+resource "aws_instance" "example" {
+  ami           = var.AMIS[var.AWS_REGION]
+  instance_type = "t2.micro"
+  vpc_security_group_ids = [aws_security_group.instance.id]
+
+  # When the instance boots, start a web server on port 8080 that responds with "Hello, World!".
+  user_data = <<EOF
+#!/bin/bash
+echo "Hello, World!" > index.html
+nohup busybox httpd -f -p 8080 &
+EOF
+}