docs: add architecture page, production hardening, CI/CD, and test fixtures

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: kogunlowo123

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+trim_trailing_whitespace = true
+
+[*.tf]
+indent_style = space
+indent_size = 2
+
+[*.tfvars]
+indent_style = space
+indent_size = 2
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+
+[*.{json,json.example}]
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false
+
+[Makefile]
+indent_style = tab

.gitattributes

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+*.tf linguist-language=HCL
+*.tfvars linguist-language=HCL

.github/workflows/terraform-ci.yml

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+name: Terraform CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  terraform:
+    name: Terraform Validate & Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Terraform
+        uses: hashicorp/setup-terraform@v3
+        with:
+          terraform_version: "1.7.0"
+
+      - name: Terraform Format Check
+        run: terraform fmt -check -recursive
+
+      - name: Terraform Init
+        run: terraform init -backend=false
+
+      - name: Terraform Validate
+        run: terraform validate
+
+      - name: Setup TFLint
+        uses: terraform-linters/setup-tflint@v4
+
+      - name: Run TFLint
+        run: tflint --init && tflint
+
+  security:
+    name: Security Scan
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Run Checkov
+        uses: bridgecrewio/checkov-action@v12
+        with:
+          directory: .
+          quiet: true
+          framework: terraform
+
+  validate-examples:
+    name: Validate Examples
+    runs-on: ubuntu-latest
+    if: hashFiles('examples/') != ''
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Terraform
+        uses: hashicorp/setup-terraform@v3
+        with:
+          terraform_version: "1.7.0"
+
+      - name: Validate Examples
+        run: |
+          for dir in examples/*/; do
+            echo "Validating $dir"
+            cd "$dir"
+            terraform init -backend=false
+            terraform validate
+            cd "$GITHUB_WORKSPACE"
+          done

CODEOWNERS

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+* @kogunlowo123

CONTRIBUTING.md

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+# Contributing
+
+Thank you for your interest in contributing to this Terraform module! We welcome contributions from the community.
+
+## How to Contribute
+
+### Reporting Issues
+
+- Use GitHub Issues to report bugs or request features
+- Include Terraform version, provider version, and relevant configuration snippets
+- Provide clear steps to reproduce the issue
+
+### Submitting Changes
+
+1. Fork the repository
+2. Create a feature branch from `main` (`git checkout -b feature/your-feature`)
+3. Make your changes following the coding standards below
+4. Run `terraform fmt` to format your code
+5. Run `terraform validate` to validate your configuration
+6. Commit your changes (`git commit -m 'Add feature'`)
+7. Push to your branch (`git push origin feature/your-feature`)
+8. Open a Pull Request
+
+### Coding Standards
+
+- Follow [HashiCorp Terraform Style Conventions](https://developer.hashicorp.com/terraform/language/syntax/style)
+- Use `terraform fmt` before committing
+- Add descriptions to all variables and outputs
+- Update `README.md` if you change inputs/outputs
+- Include examples for new features
+- Write meaningful commit messages
+
+### Pull Request Process
+
+1. Ensure your PR description clearly describes the problem and solution
+2. Link any relevant issues
+3. Update documentation as needed
+4. PRs require at least one approving review before merge
+
+## Code of Conduct
+
+Please be respectful and constructive in all interactions. We are committed to providing a welcoming and inclusive experience for everyone.

SECURITY.md

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+# Security Policy
+
+## Reporting a Vulnerability
+
+If you discover a security vulnerability in this project, please report it responsibly.
+
+**Please do NOT open a public GitHub issue for security vulnerabilities.**
+
+Instead, send an email to: **kogunlowo@gmail.com**
+
+Include the following details:
+- Description of the vulnerability
+- Steps to reproduce the issue
+- Potential impact
+- Suggested fix (if any)
+
+You should receive a response within 48 hours acknowledging your report. We will work with you to understand and address the issue before any public disclosure.
+
+## Security Best Practices
+
+When using this Terraform module, please follow these security best practices:
+
+- **State Management**: Store Terraform state in a secure backend (e.g., S3 with encryption and DynamoDB locking)
+- **Secrets Management**: Never hardcode secrets in Terraform files. Use AWS Secrets Manager, SSM Parameter Store, or environment variables
+- **IAM Least Privilege**: Use the minimum required permissions for all IAM roles and policies
+- **Encryption**: Enable encryption at rest and in transit for all supported resources
+- **Access Control**: Restrict access to Terraform state files and CI/CD pipelines
+- **Version Pinning**: Pin provider and module versions to avoid unexpected changes
+- **Code Review**: Require peer review for all infrastructure changes
+- **Audit Logging**: Enable AWS CloudTrail and other audit logging mechanisms
+
+## Supported Versions
+
+We typically provide security updates for the latest major version only.