[TECH ED] Use Terraform to add the previous steps

### Link to the coursework

https://registry.terraform.io/namespaces/terraform-aws-modules

### Why are we doing this?

This ticket assume you have completed #20 #21 #22 #23

By completing these tasks, you’ll gain practical experience in implementing scalability and monitoring within AWS, essential for maintaining a healthy and efficient application. By using Terraform, you'll have the opportunity to embed your understanding of infrastructure as code.

## Use Terraform
Terraform: update the existing terraform files to add the previous steps in this coursework.

### Maximum time in hours

n/a

### How to get help

Ask calm, curious questions with links, code samples, and no screenshots.

https://curriculum.codeyourfuture.io/guides/asking-questions/

### How to submit

Commit your terraform files to your working repo.

Überprüfe die vorhandenen Terraform-Dateien und die abgeschlossenen Kursarbeiten in den Issues #20, #21, #22 und #23. Verwende den Link zur Terraform AWS Modules registry als Modulreferenz, überprüfe anschließend, dass die vorherigen Schritte in Terraform dargestellt sind, und committe die aktualisierten Terraform-Dateien in das Arbeitsrepository.

Vom Indexierungsmodell aus dem Issue-Text verfasst.