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🤖 Auto-generated blog post - 2025-10-15
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‎.blog-generator/topics_covered.json‎

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"Monitoring and Observability",
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"Git and Version Control",
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"Cloud Engineering",
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"PowerShell Scripting"
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"PowerShell Scripting",
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"Terraform"
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],
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"last_generated": "2025-10-16T00:41:35.907624",
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"total_generated": 7
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"last_generated": "2025-10-15T19:14:14.237371",
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"total_generated": 8
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}
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---
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layout: post
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authors: ["devcrypted"]
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media_subpath: /assets/img/
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pin: false
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# Should be changed according to post
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published: true
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title: "TFLint vs Checkov vs OPA: Terraform Policy & Security Comparison"
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permalink: tflint-vs-checkov-vs-opa-terraform-policy-security-comparison
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date: 2025-10-15 19:14
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categories: ["Infrastructure as Code"]
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tags: ["Terraform", "Tutorial"]
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description: Compare 2-3 top Terraform tools to find your perfect fit for efficient infrastructure as code management.
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---
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<!-- This blog post was automatically generated using AI -->
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---
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## Terraform Backend Comparison: S3, AzureRM, Local
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Terraform backends define where state files are stored, crucial for managing infrastructure.
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### S3 Backend (AWS)
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- Remote state storage: AWS S3 bucket
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- State locking: DynamoDB table (external dependency)
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- Encryption: S3 Server-Side Encryption (SSE-S3, KMS)
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- Team collaboration: Excellent, shared state across teams
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- Cost: S3 storage, DynamoDB usage fees
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- Use case: AWS cloud environments, multi-region deployments
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```terraform
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terraform {
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backend "s3" {
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bucket = "my-company-tf-state"
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key = "prod/vpc/terraform.tfstate"
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region = "us-east-1"
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encrypt = true
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dynamodb_table = "terraform-lock"
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}
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}
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```
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### AzureRM Backend (Azure Blob Storage)
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- Remote state storage: Azure Storage Account Blob Container
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- State locking: Built-in functionality
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- Encryption: Azure Storage Service Encryption (MS-managed, CMK)
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- Team collaboration: Excellent, shared state
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- Cost: Azure Storage account charges
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- Use case: Azure cloud environments, enterprise projects
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```terraform
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terraform {
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backend "azurerm" {
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resource_group_name = "rg-terraform-states"
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storage_account_name = "tfstatesa001"
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container_name = "tfstate"
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key = "prod/vpc/terraform.tfstate"
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}
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}
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```
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### Local Backend
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- State storage: `terraform.tfstate` file in local directory
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- State locking: None
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- Encryption: None, plaintext on local disk
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- Team collaboration: Poor, no shared state, prone to conflicts
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- Cost: Free
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- Use case: Learning, local testing, single-user environments
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```terraform
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terraform {
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backend "local" {
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path = "terraform.tfstate"
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}
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}
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```
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### Backend Feature Overview
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| Feature | S3 Backend | AzureRM Backend | Local Backend |
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|-------------------|-------------------|-------------------|-----------------|
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| **State Storage** | AWS S3 | Azure Blob | Local filesystem|
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| **State Locking** | DynamoDB (external)| Built-in | None |
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| **Encryption** | S3 SSE, KMS | Azure Storage | None |
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| **Collaboration** | Excellent | Excellent | Poor |
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| **Cost** | Low | Low | Free |
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Select backend based on cloud provider, team needs, and security requirements.

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