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Terraform Architecture Diagram

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

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Verwendung

  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.

Anwendungsfälle

Terraform PR reviewCloud architecture documentationModule onboardingAI Terraform validationInfrastructure dependency mapping

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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"
}

Review-Checkliste für Terraform Architecture Diagram

Nutze Terraform Architecture Diagram, um Quellinhalte vor Dokumentation, PR-Notizen, Incident-Berichten oder Übergaben visuell zu prüfen. Visualize Terraform resource blocks and references as a software architecture diagram.

Prüfe vor dem Export Lesbarkeit, Beziehungen, sensible Daten und ob die Vorschau nach Änderungen weiterhin passt.

Grenzen und Fehlersuche

Wenn die Vorschau fehlschlägt, reduziere die Eingabe auf ein kleines vollständiges Beispiel und füge Abschnitte schrittweise zurück.

Behandle die Vorschau als Review-Fläche, nicht als Quelle der Wahrheit. Kritische Ergebnisse brauchen menschliche Prüfung.

Beispieleingaben

  • 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" {}

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