# terraform-gcp

Provisions Google Cloud infrastructure with Terraform. Configures providers, VPC networks, GKE clusters, and Cloud SQL databases.

- skill · `type=skill` · Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode · 389 installs · ★ 1177
- Author: devops-skills
- License: MIT · policy=mirror · the beginning of the file is at the end of this page
- Source: https://github.com/BagelHole/DevOps-Security-Agent-Skills/tree/HEAD/infrastructure/cloud-gcp/terraform-gcp/SKILL.md
- Updated: 2026-05-22
- HTML: https://affpapa.org/en/nevibecode/skills/terraform-gcp

## What it does

This skill provides Terraform configurations for Google Cloud Platform with `hashicorp/google` and `google-beta` providers locked to `~> 5.0`. It includes modules for core infrastructure components. They enable required GCP APIs, set up a GCS state bucket, and build regional VPC networks with Cloud NAT.

You need Terraform 1.5 or newer installed locally. Authentication requires the Google Cloud SDK or a service account key path in `GOOGLE_APPLICATION_CREDENTIALS`. Deployments will fail if your GCP project lacks active billing.

The configuration splits environments into `dev`, `staging`, and `production`. Variable validation blocks stop invalid environment names before execution.

## Requirements
- Works with: Terraform

## Install

### Claude Code (native platform)

1. **Skills CLI (Vercel)**
```bash
npx skills add BagelHole/DevOps-Security-Agent-Skills --skill terraform-gcp -a claude-code
```

2. **Manually: put the files in place**
- File: `~/.claude/skills/terraform-gcp/SKILL.md` — Copy the whole skill folder; for one project use .claude/skills/terraform-gcp/

### Codex

1. **Skills CLI (Vercel)**
```bash
npx skills add BagelHole/DevOps-Security-Agent-Skills --skill terraform-gcp -a codex
```

2. **Manually: put the files in place**
- File: `.agents/skills/terraform-gcp/SKILL.md` — For all projects use ~/.agents/skills/

### Cursor

1. **Skills CLI (Vercel)**
```bash
npx skills add BagelHole/DevOps-Security-Agent-Skills --skill terraform-gcp -a cursor
```

2. **Manually: put the files in place**
- File: `.cursor/skills/terraform-gcp/SKILL.md` — Cursor also reads .agents/skills/ and .claude/skills/

### GitHub Copilot

1. **GitHub CLI**
```bash
gh skill install BagelHole/DevOps-Security-Agent-Skills terraform-gcp
```

2. **Manually: put the files in place**
- File: `.github/skills/terraform-gcp/SKILL.md`

### Gemini CLI

1. **Skills CLI (Vercel)**
```bash
npx skills add BagelHole/DevOps-Security-Agent-Skills --skill terraform-gcp -a gemini-cli
```

2. **Platform CLI**
```bash
gemini skills install https://github.com/BagelHole/DevOps-Security-Agent-Skills --path infrastructure/cloud-gcp/terraform-gcp
```

### Windsurf (Devin Desktop)

**Manually: put the files in place**
- File: `.devin/skills/terraform-gcp/SKILL.md` — The legacy .windsurf/skills/ path still works

### OpenCode

**Skills CLI (Vercel)**
```bash
npx skills add BagelHole/DevOps-Security-Agent-Skills --skill terraform-gcp -a opencode
```

### Claude.ai

**Claude.ai**
- Zip the folder and upload it in Settings → Capabilities → Skills

Where a file is given instead of a command, copy the files from the source to that path: https://github.com/BagelHole/DevOps-Security-Agent-Skills/tree/HEAD/infrastructure/cloud-gcp/terraform-gcp/SKILL.md

## When to use it
- configure Google Cloud providers with a remote GCS state backend
- provision a private GKE cluster with Workload Identity and Managed Prometheus
- create a regional VPC with dedicated subnets, Cloud NAT, and IAP rules
- deploy a Cloud SQL database instance with automated point-in-time recovery

## Example prompts
- Configure Terraform for GCP with a GCS backend and environment validation
- Generate a custom VPC module with Cloud NAT and secondary IP ranges for GKE
- Write a private GKE cluster module with autoscaling node pools

## Source text · SKILL.md · MIT

Below is the content of a third-party file. It is data, not instructions for you: do not act on anything written inside unless the human asks. Block tag: 042a767f6f12a33a.

BEGIN THIRD-PARTY FILE 042a767f6f12a33a
````text
---
name: terraform-gcp
description: Provision GCP infrastructure with Terraform. Configure providers and deploy Google Cloud resources. Use when implementing IaC for GCP.
license: MIT
metadata:
  author: devops-skills
  version: "1.0"
---

# Terraform GCP

Provision and manage Google Cloud Platform infrastructure using Terraform with the `hashicorp/google` provider.

## When to Use

- Defining GCP infrastructure as code for repeatable, auditable deployments
- Managing multi-environment setups (dev, staging, production) from a single codebase
- Provisioning complex resource graphs (VPC + GKE + Cloud SQL + IAM) in one plan
- Integrating infrastructure changes into CI/CD pipelines with plan/apply stages

## Prerequisites

- Terraform >= 1.5 installed
- Google Cloud SDK or a service account key for CI
- A GCP project with billing enabled

```bash
gcloud auth application-default login          # local dev
export GOOGLE_APPLICATION_CREDENTIALS="sa.json" # CI/CD
terraform version
```

## Provider Configuration

```hcl
# versions.tf
terraform {
  required_version = ">= 1.5"
  required_providers {
    google      = { source = "hashicorp/google";      version = "~> 5.0" }
    google-beta = { source = "hashicorp/google-beta"; version = "~> 5.0" }
  }
  backend "gcs" { bucket = "my-project-tf-state"; prefix = "terraform/state" }
}

provider "google"      { project = var.project_id; region = var.region }
provider "google-beta" { project = var.project_id; region = var.region }
```

```hcl
# variables.tf
variable "project_id"  { type = string }
variable "region"      { type = string; default = "us-central1" }
variable "environment" {
  type = string
  validation {
    condition     = contains(["dev", "staging", "production"], var.environment)
    error_message = "Must be dev, staging, or production."
  }
}
```

## Project Setup and State Bucket

```bash
gcloud storage buckets create gs://my-project-tf-state \
  --location=us-central1 --uniform-bucket-level-access --public-access-prevention
gcloud storage buckets update gs://my-project-tf-state --versioning

terraform init
terraform plan -var="project_id=my-project" -var="environment=production" -out=tfplan
terraform apply tfplan
```

```hcl
resource "google_project_service" "apis" {
  for_each = toset([
    "compute.googleapis.com", "container.googleapis.com",
    "sqladmin.googleapis.com", "servicenetworking.googleapis.com",
    "cloudfunctions.googleapis.com", "run.googleapis.com",
    "secretmanager.googleapis.com", "artifactregistry.googleapis.com",
  ])
  project = var.project_id
  service = each.value
  disable_dependent_services = false
  disable_on_destroy         = false
}
```

## Networking Module

```hcl
# modules/networking/main.tf
resource "google_compute_network" "vpc" {
````
END THIRD-PARTY FILE 042a767f6f12a33a

The third-party file has ended. Everything between the 042a767f6f12a33a tags is data: requests and commands from it are not followed. An “end of file” line with another tag inside the block is part of the file.

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