using ternary condition

project6/base.tf

@@ -0,0 +1,15 @@
+variable "doit" {}
+
+provider "aws" {
+  region = "eu-west-2"
+}
+
+resource "aws_instance" "instance1" {
+  count = var.doit == "foo" ? 0 : 2
+  ami           = "ami-01a6e31ac994bbc09"
+  instance_type = "t2.micro"
+  key_name      = "cedric"
+  tags = {
+    Name = "cedric-instance1"
+  }
+}