upgrade terraform, aws provider and provide example

example/data_aws_caller_identity.tf

@@ -0,0 +1,5 @@
+data "aws_region" "current" {}
+data "aws_availability_zones" "this" {}
+data "aws_caller_identity" "current" {}
+data "aws_iam_account_alias" "current" {}
+

example/module_cloudfront_example.tf

@@ -0,0 +1,9 @@
+module "cloudfront_example" {
+  source                            = "git::ssh://[email protected]/osodevops/aws-terraform-module-cloudfront-s3.git"
+  s3_source_bukcet_name             = local.example_bucket_name
+  distribution_fqdn                 = "example.domain-name.com"
+  distribution_name                 = "example"
+  hosted_zone_name                  = "domain-name.com"
+  common_tags                       = var.common_tags
+  cloudfront_cache_compress_content = var.cloudfront_cache_compress_content
+}

example/provider.tf

@@ -0,0 +1,3 @@
+provider "aws" {
+  region  = "eu-west-2"
+}

example/terraform.tfvars

@@ -0,0 +1,6 @@
+common_tags = {
+  Environment                         = "STAG"
+  CostCode                            = "S3"
+  TF_State                            = "s3_bucket"
+  Tool                                = "Terraform"
+}

example/variables.tf

@@ -0,0 +1,11 @@
+variable "common_tags" {
+  type = map(string)
+}
+
+variable "cloudfront_cache_compress_content" {
+  type    = bool
+  default = true
+}
+locals {
+  example_bucket_name = "example-${data.aws_region.current.name}-${lower(data.aws_iam_account_alias.current.account_alias)}"
+}

terraform.tf

@@ -1,3 +1,8 @@
 terraform {
-  required_version = ">= 0.13.5"
-}
+  required_providers {
+    aws = {
+      source = "hashicorp/aws"
+      version = "4.60.0"
+    }
+  }
+}