Initial infra attempt

infra/variables.tf

@@ -0,0 +1,48 @@
+variable "project_id" {
+  description = "GCP project ID"
+  type        = string
+}
+
+variable "region" {
+  description = "GCP region"
+  type        = string
+  default     = "us-central1"
+}
+
+variable "zone" {
+  description = "GCP zone"
+  type        = string
+  default     = "us-central1-a"
+}
+
+variable "domain" {
+  description = "Base domain (e.g. example.com)"
+  type        = string
+}
+
+variable "dns_zone_name" {
+  description = "Cloud DNS managed zone name"
+  type        = string
+}
+
+variable "machine_type" {
+  description = "Compute Engine machine type"
+  type        = string
+  default     = "e2-small"
+}
+
+variable "ssh_user" {
+  description = "SSH username for the VM"
+  type        = string
+  default     = "drb"
+}
+
+variable "ssh_public_key" {
+  description = "SSH public key to authorize on the VM"
+  type        = string
+}
+
+variable "allowed_ssh_cidrs" {
+  description = "CIDR ranges allowed to SSH to the VM (your IP + Gitea runner)"
+  type        = list(string)
+}