Agent skill

forge-lang-terraform

Terraform infrastructure-as-code safety practices. Enforces plan-before-apply workflow. Use when working with .tf files or infrastructure commands.

View SKILL.md on GitHub Repository
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Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/forge-lang-terraform

SKILL.md

Terraform Development

Safety Rules

NEVER run without user confirmation:

  • terraform apply
  • terraform destroy
  • terraform import

ALWAYS run first:

  • terraform plan
  • terraform validate

Workflow

┌────────────────────────────────────────────────┐
│  VALIDATE → PLAN → REVIEW → APPLY             │
└────────────────────────────────────────────────┘

Step 1: Validate

bash
terraform init
terraform validate
terraform fmt -check

Step 2: Plan

bash
terraform plan -out=tfplan

Show plan to user and wait for confirmation.

Step 3: Apply (only after explicit approval)

bash
terraform apply tfplan

Linting

bash
# Format check
terraform fmt -check -recursive

# TFLint
tflint --recursive

# Checkov security scanning
checkov -d .

Project Structure

project/
├── main.tf
├── variables.tf
├── outputs.tf
├── versions.tf
├── terraform.tfvars.example
├── modules/
│   └── module_name/
│       ├── main.tf
│       ├── variables.tf
│       └── outputs.tf
└── README.md

Pre-Apply Checklist

Terraform Checklist:
- [ ] terraform init completed
- [ ] terraform validate passed
- [ ] terraform fmt -check passed
- [ ] tflint passed (if available)
- [ ] terraform plan reviewed
- [ ] User confirmed changes
- [ ] Ready to apply

State Safety

  • Never edit terraform.tfstate manually
  • Always use terraform state commands
  • Back up state before imports
  • Use remote state with locking

Scripts

Validate before plan:

bash
~/.claude/skills/languages/terraform/scripts/plan-check.sh

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