Terraform 0.12 (#20)

* Terraform 0.12

demo-1/instance.tf

@@ -1,4 +1,5 @@
 resource "aws_instance" "example" {
-  ami           = "${lookup(var.AMIS, var.AWS_REGION)}"
+  ami           = var.AMIS[var.AWS_REGION]
   instance_type = "t2.micro"
 }
+

demo-1/provider.tf

@@ -1,6 +1,6 @@
 provider "aws" {
-    access_key = "${var.AWS_ACCESS_KEY}"
-    secret_key = "${var.AWS_SECRET_KEY}"
-    region = "${var.AWS_REGION}"
+  access_key = var.AWS_ACCESS_KEY
+  secret_key = var.AWS_SECRET_KEY
+  region     = var.AWS_REGION
 }
 

demo-1/vars.tf

@@ -1,13 +1,19 @@
-variable "AWS_ACCESS_KEY" {}
-variable "AWS_SECRET_KEY" {}
+variable "AWS_ACCESS_KEY" {
+}
+
+variable "AWS_SECRET_KEY" {
+}
+
 variable "AWS_REGION" {
   default = "eu-west-1"
 }
+
 variable "AMIS" {
-  type = "map"
+  type = map(string)
   default = {
     us-east-1 = "ami-13be557e"
     us-west-2 = "ami-06b94666"
     eu-west-1 = "ami-0d729a60"
   }
 }
+

demo-1/versions.tf

@@ -0,0 +1,4 @@
+
+terraform {
+  required_version = ">= 0.12"
+}