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---
slug:
title: Template
title: Create a Terraform module for Proxmox
description:
date:
draft: true
tags:
categories:
---
## Develop a Terraform Module
## Intro
In the final step of this article, I will show you how you can transform this piece of code in a reusable Terraform module.
In one of my [previous article]({{< ref "post/3-terraform-create-vm-proxmox" >}}), I explained how to deploy Virtual Machines on Proxmox using Terraform from scratch.
### What is a Terraform Module?
Here I want to detail how to transform this piece of code in a reusable Terraform module. I will then show you how to modify your code to make use of it.
---
## What is a Terraform Module?
Terraform modules are reusable components that let you organize and simplify your infrastructure code by grouping related resources into a single unit. Instead of repeating the same configuration across multiple places, you can define it once in a module and use it wherever needed, just like calling a function in programming.
Modules can be local (within your project) or remote (from the Terraform Registry or a Git repository), making it easy to share and standardize infrastructure patterns across teams or projects. By using modules, you make your code more readable, maintainable, and scalable.
### Terraform Code
---
## Transform Project into Module
We will now transform the Terraform code above by creating our own module called `pve_vm
We will now transform the Terraform code from the [previous project]({{< ref "post/3-terraform-create-vm-proxmox" >}}) by creating our own module called `pve_vm`.
> 📌 Reminder, you can find all the code I have written in my [Homelab repo](https://git.vezpi.me/Vezpi/Homelab/), the following code is located [here](https://git.vezpi.me/Vezpi/Homelab/src/commit/22f64034175a6a4642a2c7b6656688f16ece5ba1/terraform/projects/simple-vm). Don't forget to match your variables with your environment!
#### Code Structure
### Code Structure
Our module will live next to our project, in another folder:
```plaintext
terraform
|-- modules
@@ -39,5 +45,10 @@ terraform
`-- variables.tf
```
#### Module
### Module
The module `pve_vm` will be decomposed in 3 files:
- **main**: The core logic
- **provider**: The providers needed to function
- **variables**: The variables of the module