Update all code samples to Terraform 0.8.x

Author: brikis98

code/bash/02-intro-to-terraform-syntax/README.md

@@ -3,7 +3,7 @@
 This folder contains an example of a Bash script that can be used to start a web server that listens on port 8080
 and returns the text "Hello, World" for the URL `/`. 
 
-For more info, please see Chapter 2, "An Introduction to Terraform Syntax", of 
+For more info, please see Chapter 2, "Getting started with Terraform", of 
 *[Terraform: Up and Running](http://www.terraformupandrunning.com)*.
 
 ## Pre-requisites

code/ruby/06-terraform-team/README.md

@@ -2,7 +2,7 @@
 
 This folder shows an example of how to write automated tests for a web server cluster defined in 
 [Terraform](https://www.terraform.io/) templates. The folder contains a Ruby script, `terraform-test.rb`, that will 
-apply your Terraform templates and then test the web server cluster URL to make sure it returns "Hello, World". 
+apply your Terraform configurations and then test the web server cluster URL to make sure it returns "Hello, World". 
 
 For more info, please see Chapter 6, "How to use Terraform as a Team", of 
 *[Terraform: Up and Running](http://www.terraformupandrunning.com)*.
@@ -29,7 +29,7 @@ export AWS_SECRET_ACCESS_KEY=(your secret access key)
 ```
 
 Deploy a test database of some sort that the web server cluster can connect to. For example, you could deploy the
-Terraform templates under 
+Terraform configurations under 
 [code/terraform/06-terraform-team/live/stage/data-stores/mysql](/code/terraform/06-terraform-team/live/stage/data-stores/mysql).
 Make sure to note down the AWS region you're deploying into (e.g. `us-east-1`) as well as the S3 bucket name (e.g.
 `my-terraform-state`) and key (e.g. `qa/stage/data-stores/mysql/terraform.tfstate`) you use to store the remote state 

code/terraform/00-preface/hello-world/README.md

@@ -10,7 +10,7 @@ For more info, please see the preface of *[Terraform: Up and Running](http://www
 * You must have [Terraform](https://www.terraform.io/) installed on your computer. 
 * You must have an [Amazon Web Services (AWS) account](http://aws.amazon.com/).
 
-Please note that this code was written for Terraform 0.7.x.
+Please note that this code was written for Terraform 0.8.x.
 
 ## Quick start
 

code/terraform/00-preface/hello-world/main.tf

@@ -1,3 +1,7 @@
+terraform {
+  required_version = ">= 0.8, < 0.9"
+}
+
 provider "aws" {
   region = "us-east-1"
 }

code/terraform/01-why-terraform/server-db-elb/README.md

@@ -13,7 +13,7 @@ For more info, please see Chapter 1, "Why Terraform", of
 * You must have [Terraform](https://www.terraform.io/) installed on your computer. 
 * You must have an [Amazon Web Services (AWS) account](http://aws.amazon.com/).
 
-Please note that this code was written for Terraform 0.7.x.
+Please note that this code was written for Terraform 0.8.x.
 
 ## Quick start
 

code/terraform/01-why-terraform/server-db-elb/main.tf

@@ -1,3 +1,7 @@
+terraform {
+  required_version = ">= 0.8, < 0.9"
+}
+
 provider "aws" {
   region = "us-east-1"
 }

code/terraform/02-intro-to-terraform-syntax/one-server/README.md

@@ -3,15 +3,15 @@
 This folder contains an example [Terraform](https://www.terraform.io/) template that deploys a single server (using 
 [EC2](https://aws.amazon.com/ec2/)) in an [Amazon Web Services (AWS) account](http://aws.amazon.com/). 
 
-For more info, please see Chapter 2, "An Introduction to Terraform Syntax", of 
+For more info, please see Chapter 2, "Getting started with Terraform", of 
 *[Terraform: Up and Running](http://www.terraformupandrunning.com)*.
 
 ## Pre-requisites
 
 * You must have [Terraform](https://www.terraform.io/) installed on your computer. 
 * You must have an [Amazon Web Services (AWS) account](http://aws.amazon.com/).
 
-Please note that this code was written for Terraform 0.7.x.
+Please note that this code was written for Terraform 0.8.x.
 
 ## Quick start
 

code/terraform/02-intro-to-terraform-syntax/one-server/main.tf

@@ -1,3 +1,7 @@
+terraform {
+  required_version = ">= 0.8, < 0.9"
+}
+
 provider "aws" {
   region = "us-east-1"
 }
@@ -7,6 +11,6 @@ resource "aws_instance" "example" {
   instance_type = "t2.micro"
 
   tags {
-    name = "terraform-example"
+    Name = "terraform-example"
   }
 }

code/terraform/02-intro-to-terraform-syntax/one-webserver-with-vars/README.md

@@ -5,15 +5,15 @@ This folder contains example [Terraform](https://www.terraform.io/) templates th
 listens on port 8080 (which is defined as a variable in this example) and returns the text "Hello, World" for the `/` 
 URL.
 
-For more info, please see Chapter 2, "An Introduction to Terraform Syntax", of 
+For more info, please see Chapter 2, "Getting started with Terraform", of 
 *[Terraform: Up and Running](http://www.terraformupandrunning.com)*.
 
 ## Pre-requisites
 
 * You must have [Terraform](https://www.terraform.io/) installed on your computer. 
 * You must have an [Amazon Web Services (AWS) account](http://aws.amazon.com/).
 
-Please note that this code was written for Terraform 0.7.x.
+Please note that this code was written for Terraform 0.8.x.
 
 ## Quick start
 

code/terraform/02-intro-to-terraform-syntax/one-webserver-with-vars/main.tf

@@ -1,3 +1,7 @@
+terraform {
+  required_version = ">= 0.8, < 0.9"
+}
+
 provider "aws" {
   region = "us-east-1"
 }