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+# Shared Terraform Infrastructure
+
+**Last Updated**: 2025-01-27
+**Purpose**: Centralized Terraform modules and infrastructure configurations
+
+---
+
+## Overview
+
+This directory contains shared Terraform modules and infrastructure configurations that can be used across multiple projects.
+
+---
+
+## Structure
+
+```
+infrastructure/terraform/
+├── modules/                  # Reusable Terraform modules
+│   ├── azure/               # Azure-specific modules
+│   ├── multi-cloud/         # Multi-cloud modules
+│   └── shared/              # Shared utilities
+├── environments/            # Environment-specific configurations
+│   ├── dev/                 # Development environment
+│   ├── staging/             # Staging environment
+│   └── prod/                # Production environment
+└── README.md               # This file
+```
+
+---
+
+## Modules (Planned)
+
+### Azure Modules
+
+#### networking
+- Virtual networks
+- Subnets
+- Network security groups
+- Application Gateway
+
+#### kubernetes
+- AKS cluster
+- Node pools
+- Networking integration
+
+#### storage
+- Storage accounts
+- Containers
+- File shares
+
+#### keyvault
+- Azure Key Vault
+- RBAC configuration
+- Private endpoints
+
+#### monitoring
+- Log Analytics
+- Application Insights
+- Alert rules
+
+### Multi-Cloud Modules
+
+#### azure
+- Azure-specific resources
+
+#### aws
+- AWS-specific resources
+
+#### gcp
+- GCP-specific resources
+
+#### onprem-hci
+- On-premises HCI resources
+
+---
+
+## Usage
+
+### Using Shared Modules
+
+```hcl
+module "networking" {
+  source = "../../infrastructure/terraform/modules/azure/networking"
+
+  environment = var.environment
+  location    = var.location
+  # ... module variables
+}
+```
+
+---
+
+## Migration Status
+
+- **Planning Phase**: Module inventory completed
+- **Next Steps**: Begin module consolidation
+- **Target**: Standardized, reusable modules
+
+---
+
+**Last Updated**: 2025-01-27
+**Status**: Planning Phase
+