Add terraform examples for aws

Add terraform examples for aws

examples/terraform-examples/LICENSE

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examples/terraform-examples/README.md

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+# Terraform Playground
+This repository contains a collection of Terraform configurations that I use to learn and experiment with Terraform.
+
+## Install Terraform
+Follow the [Install Terraform](https://developer.hashicorp.com/terraform/install) page to install Terraform on your machine.
+
+## Setting up Terraform with Artifactory
+The recommended way to manage Terraform state is to use a remote backend.
+Some of the repository examples use JFrog Artifactory as the remote backend (commented out).
+
+To set up Terraform with Artifactory, follow the instructions in the [Terraform Artifactory Backend](https://jfrog.com/integration/terraform-artifactory-backend/) documentation.
+
+## Examples
+1. Create the needed [AWS infrastructure for running JFrog Artifactory and Xray in AWS](jfrog-platform-aws-install) using RDS, S3, and EKS. This uses the [JFrog Platform Helm Chart](https://github.com/jfrog/charts/tree/master/stable/jfrog-platform) to install Artifactory and Xray

examples/terraform-examples/jfrog-platform-aws-install/README.md

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+# JFrog Platform Installation in AWS with Terraform
+This example will prepare the AWS infrastructure and services required to run Artifactory and Xray (installed with the [jfrog-platform Helm Chart](https://github.com/jfrog/charts/tree/master/stable/jfrog-platform)) using Terraform:
+1. The AWS VPC
+2. RDS (PostgreSQL) as the database for each application
+2. S3 as the Artifactory object storage
+3. EKS as the Kubernetes cluster for running Artifactory and Xray with pre-defined node groups for the different services
+
+The resources are split between individual files for easy and clear separation.
+
+
+## Prepare the JFrog Platform Configurations
+The [jfrog-values.yaml](jfrog-values.yaml) file has the values that Helm will use to configure the JFrog Platform installation.
+
+The [artifactory-license-template.yaml](artifactory-license-template.yaml) file has the license key(s) template that you will need to copy to a `artifactory-license.yaml` file.
+```shell
+cp artifactory-license-template.yaml artifactory-license.yaml
+```
+
+If you plan on skipping the license key(s) for now, you can leave the `artifactory-license.yaml` file empty. Terraform will create an empty one for you if you don't create it.
+
+## JFrog Platform Sizing
+Artifactory and Xray have pre-defined sizing templates that you can use to deploy them. The supported sizing templates in this project are `small`, `medium`, `large`, `xlarge`, and `2xlarge`.
+
+The sizing templates will be pulled from the [official Helm Charts](https://github.com/jfrog/charts) during the execution of the Terraform configuration.
+
+## Terraform
+
+
+1. Initialize the Terraform configuration by running the following command
+```shell
+terraform init
+```
+
+2. Plan the Terraform configuration by running the following command
+```shell
+terraform plan -var 'sizing=small'
+```
+
+3. Apply the Terraform configuration by running the following command
+```shell
+terraform apply -var 'sizing=small'
+```
+
+4. When you are done, you can destroy the resources by running the following command
+```shell
+terraform destroy
+```
+
+## Accessing the EKS Cluster and Artifactory Installation
+To get the `kubectl` configuration for the EKS cluster, run the following command
+```shell
+aws eks --region $(terraform output -raw region) update-kubeconfig --name $(terraform output -raw cluster_name)
+```
+
+### Install JFrog Platform
+Once done, install the JFrog Platform (Artifactory and Xray) using the Helm Chart with the following command.
+
+Terraform will create the needed configuration files to be used for the `helm install` command.
+This command will auto generate and be writen to the console when you run the `Terraform apply` command.
+```shell
+helm upgrade --install jfrog jfrog/jfrog-platform \
+  --version <version> \
+  --namespace <namesapce>> --create-namespace \
+  -f ./jfrog-values.yaml \
+  -f ./artifactory-license.yaml \
+  -f ./jfrog-artifactory-<sizing>-adjusted.yaml \
+  -f ./jfrog-xray--<sizing>-adjusted.yaml \
+  -f ./jfrog-custom.yaml \
+  --timeout 600s
+```

examples/terraform-examples/jfrog-platform-aws-install/artifactory-license-template.yaml

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+## A template for the Artifactory license as a helm value.
+## Copy this file to artifactory-license.yaml and fill in the full license key(s).
+artifactory:
+  artifactory:
+    license:
+      licenseKey: |
+        cHJvZHVjdHM6CiAgYXJ1aWZhY3Rvcnk6CiAgICBwcm9kdWN0OiBaWGh3YVhKbGN6b2dNakF5TlMx
+        TFRGaFpXTmlNRGs1T0dRMVpncHZkMjVsY2p...
+        
+        cHJvZHVjdHM6CiAgYXJ0aWZhY3Rvcnk6CiAgIBBwcm9kdWN0OiBaWGh3YVhKbGN6b2dNakF5TlMv
+        d05DMHdObFF5TURvMU9UbzFPVm9LYVdRNkl...