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In this tutorial, you’ll learn **how to use Terraform modules** to simplify, organize, and scale your **Infrastructure as Code (IaC)** projects. Terraform modules allow you to **reuse configurations**, reduce code duplication, and manage complex cloud infrastructures efficiently — whether you’re deploying resources on **AWS, Azure, or Google Cloud**.
We’ll walk through everything step by step — from **creating your first module**, calling it in your Terraform project, passing variables, and even using **official modules from the Terraform Registry**. By the end of this video, you’ll understand exactly how modules work and how to implement them in your own projects.
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🛠️ **What You’ll Learn in This Tutorial:**
* What **Terraform modules** are and why they’re important
* How to **create and structure your own Terraform module**
* How to **use local modules** in your Terraform configurations
* How to **download and use modules from Terraform Registry**
* Passing **variables and outputs** between root and child modules
* Organizing your infrastructure code using **modular design**
* Best practices for versioning, reusability, and team collaboration
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📌 **Step-by-Step Implementation:**
1. **Create a Module Directory:**
Inside your project, create a folder like `modules/vpc` or `modules/ec2_instance`.
Add Terraform files such as:
* `main.tf` (resources)
* `variables.tf` (inputs)
* `outputs.tf` (outputs)
2. **Define a Resource in Your Module:**
```hcl
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2025/10/13
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