feat(terraform): add vauco-bootstrap module

Gjenbrukbar modul for alle OSVauco-kundeprosjekter.
Oppretter: GCP-prosjekt, APIs, IAM, Cloud Run, billing-budsjett.
Brukes av medioteq.tf og alle fremtidige kunder.

infrastructure/terraform/modules/vauco-bootstrap/main.tf

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+# ==============================================================================
+# vauco-bootstrap — gjenbrukbar modul for alle OSVauco-kundeprosjekter
+# Oppretter: GCP-prosjekt, APIs, IAM, Cloud Run, billing-budsjett
+# ==============================================================================
+
+locals {
+  labels = {
+    managed-by  = "terraform"
+    customer    = var.customer_id
+    environment = "prod"
+  }
+}
+
+# ------------------------------------------------------------------------------
+# GCP-prosjekt
+# ------------------------------------------------------------------------------
+resource "google_project" "customer" {
+  name            = var.customer_id
+  project_id      = var.project_id
+  billing_account = var.billing_account_id
+
+  labels = local.labels
+}
+
+# ------------------------------------------------------------------------------
+# Aktiver nødvendige APIs
+# ------------------------------------------------------------------------------
+resource "google_project_service" "apis" {
+  for_each = toset([
+    "run.googleapis.com",
+    "artifactregistry.googleapis.com",
+    "secretmanager.googleapis.com",
+    "cloudresourcemanager.googleapis.com",
+    "iam.googleapis.com",
+    "dialogflow.googleapis.com",
+  ])
+
+  project            = google_project.customer.project_id
+  service            = each.value
+  disable_on_destroy = false
+}
+
+# ------------------------------------------------------------------------------
+# Service account for Cloud Run
+# ------------------------------------------------------------------------------
+resource "google_service_account" "cloud_run_sa" {
+  project      = google_project.customer.project_id
+  account_id   = "${var.customer_id}-run-sa"
+  display_name = "Cloud Run SA – ${var.customer_id}"
+
+  depends_on = [google_project_service.apis]
+}
+
+# ------------------------------------------------------------------------------
+# Cloud Run service
+# ------------------------------------------------------------------------------
+resource "google_cloud_run_v2_service" "app" {
+  name     = "${var.customer_id}-app"
+  location = var.region
+  project  = google_project.customer.project_id
+
+  template {
+    service_account = google_service_account.cloud_run_sa.email
+
+    containers {
+      image = var.container_image
+
+      resources {
+        limits = {
+          cpu    = "1"
+          memory = "512Mi"
+        }
+      }
+    }
+  }
+
+  labels     = local.labels
+  depends_on = [google_project_service.apis]
+}
+
+# ------------------------------------------------------------------------------
+# Billing-budsjett med e-postvarsel
+# ------------------------------------------------------------------------------
+resource "google_billing_budget" "customer" {
+  billing_account = var.billing_account_id
+  display_name    = "Budget – ${var.customer_id}"
+
+  budget_filter {
+    projects = ["projects/${google_project.customer.number}"]
+  }
+
+  amount {
+    specified_amount {
+      currency_code = "NOK"
+      units         = "500"
+    }
+  }
+
+  threshold_rules {
+    threshold_percent = 0.8
+  }
+
+  all_updates_rule {
+    monitoring_notification_channels = []
+    disable_default_iam_recipients   = false
+  }
+}

infrastructure/terraform/modules/vauco-bootstrap/outputs.tf

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+output "project_id" {
+  description = "GCP project ID"
+  value       = google_project.customer.project_id
+}
+
+output "project_number" {
+  description = "GCP project number"
+  value       = google_project.customer.number
+}
+
+output "cloud_run_url" {
+  description = "Cloud Run service URL"
+  value       = google_cloud_run_v2_service.app.uri
+}
+
+output "service_account_email" {
+  description = "Service account for Cloud Run"
+  value       = google_service_account.cloud_run_sa.email
+}

infrastructure/terraform/modules/vauco-bootstrap/variables.tf

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+variable "project_id" {
+  description = "GCP project ID for kunde-prosjektet"
+  type        = string
+}
+
+variable "customer_id" {
+  description = "Kort kundenavn (brukes i labels og ressursnavn)"
+  type        = string
+}
+
+variable "billing_account_id" {
+  description = "GCP billing account ID"
+  type        = string
+}
+
+variable "region" {
+  description = "Primær GCP-region"
+  type        = string
+  default     = "europe-north1"
+}
+
+variable "alert_email" {
+  description = "E-post for billing-varsler"
+  type        = string
+}
+
+variable "billing_viewer_emails" {
+  description = "Liste over e-poster med billing viewer-tilgang"
+  type        = list(string)
+  default     = []
+}
+
+variable "container_image" {
+  description = "Full URI til container-image i Artifact Registry"
+  type        = string
+}