Terraform 0.12 (#20)

* Terraform 0.12

demo-18b/prod/prod.tf

@@ -1,12 +1,13 @@
 module "main-vpc" {
-  source = "../modules/vpc"
-  ENV = "prod"
-  AWS_REGION = "${var.AWS_REGION}"
+  source     = "../modules/vpc"
+  ENV        = "prod"
+  AWS_REGION = var.AWS_REGION
 }
 
 module "instances" {
-  source = "../modules/instances"
-  ENV = "prod"
-  VPC_ID = "${module.main-vpc.vpc_id}"
-  PUBLIC_SUBNETS = ["${module.main-vpc.public_subnets}"]
+  source         = "../modules/instances"
+  ENV            = "prod"
+  VPC_ID         = module.main-vpc.vpc_id
+  PUBLIC_SUBNETS = module.main-vpc.public_subnets
 }
+

demo-18b/prod/provider.tf

@@ -1,3 +1,4 @@
 provider "aws" {
-  region  = "${var.AWS_REGION}"
+  region = var.AWS_REGION
 }
+

demo-18b/prod/vars.tf

@@ -1,3 +1,4 @@
 variable "AWS_REGION" {
   default = "eu-west-1"
 }
+

demo-18b/prod/versions.tf

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