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Terraform Architecture Diagram

Visualize Terraform resource blocks and references as a software architecture diagram.

Exemples
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Comment utiliser

  1. 1Paste a focused Terraform file or module snippet.
  2. 2Review resource nodes, provider groups, module boundaries, and reference edges.
  3. 3Look for public resources, unmanaged dependencies, and names that do not match the intended environment.
  4. 4Use the exported diagram beside terraform plan output in pull request review.

Cas d’usage

Terraform PR reviewCloud architecture documentationModule onboardingAI Terraform validationInfrastructure dependency mapping

FAQ

Can the diagram replace terraform plan?

No. The diagram explains structure. terraform plan remains the source for actual create, update, and destroy actions.

What Terraform patterns should I inspect visually?

Provider boundaries, module inputs and outputs, public networking resources, security groups, IAM policies, and references between compute and storage are good first checks.

Does it understand every Terraform expression?

No. It focuses on common resource and reference visualization. Complex dynamic blocks and provider-specific behavior still need human review.

Terraform Architecture Diagram visualizes resource blocks, providers, modules, and references so infrastructure changes are easier to review.

It is useful for AI-generated Terraform, pull request summaries, platform onboarding, and documenting cloud resources without manually drawing every dependency.

The diagram is a review aid, not a replacement for terraform plan, state inspection, or cloud security checks.

Demo: summarize Terraform resources for a pull request

A useful Terraform diagram shows what kind of infrastructure is being changed and how resources relate. It should make review faster before someone opens the full module.

  • Group resources by provider or module.
  • Call out public entry points and security boundaries.
  • Compare diagram structure with terraform plan before approval.
resource "aws_lb" "app" {}
resource "aws_security_group" "web" {}
resource "aws_ecs_service" "api" {
  load_balancer {
    target_group_arn = aws_lb_target_group.api.arn
  }
}
resource "aws_rds_cluster" "main" {}

Review pattern: turn Terraform changes into an architecture diff

Terraform files often hide topology changes inside resource blocks. A preview page should help reviewers see whether a pull request adds public ingress, new databases, queues, IAM paths, or cross-region dependencies.

  • Start with aws_lb, aws_api_gateway, google_compute_forwarding_rule, or azurerm_public_ip for ingress.
  • Group resources by module when the repository uses reusable modules.
  • Flag unmanaged references and data sources separately from resources that will be created.
resource "aws_sqs_queue" "orders" {
  name = "orders-prod"
}

resource "aws_lambda_function" "worker" {
  function_name = "order-worker"
}

Checklist de revue pour Terraform Architecture Diagram

Utilisez Terraform Architecture Diagram pour inspecter visuellement une source avant documentation, note de PR, post-mortem ou transfert. Visualize Terraform resource blocks and references as a software architecture diagram.

Avant export, vérifiez la lisibilité, les relations, les données sensibles et la cohérence après modification.

Limites et dépannage

Si l'aperçu échoue, réduisez l'entrée au plus petit exemple complet, validez la syntaxe puis réajoutez les sections.

Considérez l'aperçu comme une surface de revue, pas comme une source de vérité. Les résultats critiques doivent être validés.

Exemples à tester

  • AWS web: resource "aws_lb" "app" {} resource "aws_ecs_service" "api" { load_balancer { target_group_arn = aws_lb.app.arn } } resource "aws_rds_cluster" "main" {}
  • GCP queue: resource "google_cloud_run_service" "api" {} resource "google_pubsub_topic" "events" {} resource "google_bigquery_dataset" "warehouse" {}
  • Modules: resource "aws_vpc" "main" {} resource "aws_subnet" "private" { vpc_id = aws_vpc.main.id } resource "aws_db_instance" "postgres" {}

Maturité de l'outil

Aperçu avancé

Analyse avancée

Cet outil extrait la structure et les relations depuis des entrées développeur. Les cas complexes doivent être vérifiés avec la source.

Le libellé indique si l'outil convient surtout à l'export stable, au débogage, à l'analyse rapide ou à la génération AI.