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Terraform Project Documentation

Overview

This project uses Terraform to manage infrastructure as code (IaC). It defines, provisions, and maintains resources in the desired cloud environment, ensuring consistency and scalability.

Features

  • Deploys a Virtual Network with subnets.
  • Provisions compute resources (e.g., Virtual Machines or Containers).
  • Configures storage and networking components.

Prerequisites

To use this project, ensure you have the following installed:

  • Terraform (>= 1.0.0)
  • Cloud provider CLI (e.g., az for Azure, aws for AWS)
  • Access to the cloud provider account with necessary permissions
  • Git

Optional Tools

  • Terragrunt for managing Terraform configurations across multiple environments.
  • tflint for static code analysis.

Project Structure

terraform-project/
├── modules/                # Reusable modules
│   ├── network/            # Module for networking resources
│   └── compute/            # Module for compute resources
├── environments/           # Environment-specific configurations
│   ├── dev/
│   ├── staging/
│   └── prod/
├── variables.tf            # Input variables
├── outputs.tf              # Output values
├── main.tf                 # Main Terraform configuration
├── backend.tf              # Remote state configuration
├── providers.tf            # Provider definitions
└── README.md               # Documentation

Getting Started

Step 1: Clone the Repository

git clone <repository-url>
cd terraform-project

Step 2: Configure Backend

Update the backend.tf file with your backend configuration (e.g., S3, Azure Blob Storage, etc.).

Step 3: Initialize Terraform

Run the following command to initialize the project:

terraform init

Step 4: Validate Configuration

Ensure that the configuration is correct:

terraform validate

Step 5: Plan Infrastructure

Review the changes Terraform will make to the infrastructure:

terraform plan -var-file=environments/dev/terraform.tfvars

Step 6: Apply Changes

Deploy the infrastructure:

terraform apply -var-file=environments/dev/terraform.tfvars

Step 7: Destroy Infrastructure

To remove all resources, use:

terraform destroy -var-file=environments/dev/terraform.tfvars

Inputs

Name Description Type Default Required
region Cloud region to deploy resources string us-east yes
environment Deployment environment (e.g., dev, prod) string N/A yes

Outputs

Name Description
vnet_id ID of the created Virtual Network
vm_public_ip Public IP of the Virtual Machine

Best Practices

  • Use version control for your Terraform configurations.
  • Enable remote state storage and state locking.
  • Use workspaces or separate configurations for managing multiple environments.
  • Review the execution plan (terraform plan) before applying changes.

Troubleshooting

  • Ensure you have the necessary permissions to provision resources.
  • Check provider configuration in providers.tf.
  • Validate the syntax and configuration files with: 
    terraform fmt -check
terraform validate

License

This project is licensed under the MIT License.

Contributing

Contributions are welcome! Please create a pull request or submit an issue if you find a bug or have a feature request.