add Hetzner Cloud Template

registry/Harsh9485/templates/Hetzner-Cloud/README.md

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+---
+display_name: "Hetzner Cloud Template"
+description: "A complete Coder template to provision Hetzner Cloud virtual machines with private networking and attached volumes."
+icon: "../../../../.icons/Hetzner.svg"
+verified: false
+tags: ["hetzner", "cloud", "vm", "infrastructure"]
+---
+
+# Hetzner Cloud Template
+
+This template provisions one or more Hetzner Cloud virtual machines with:
+- Private network
+- Attached volumes
+- Coder agent
+
+It is designed to be used directly by Coder to spin up full workspaces on Hetzner Cloud.
+
+##  Requirements
+- Hetzner Cloud account
+- Hetzner Cloud API token (can be added via environment variable or Terraform variable)
+
+##  Usage
+
+To test this template:
+
+```sh
+coder templates push hetzner-cloud -d .
+```

registry/Harsh9485/templates/Hetzner-Cloud/main.tf

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+terraform {
+  required_version = ">= 1.0"
+
+  required_providers {
+    coder = {
+      source  = "coder/coder"
+      version = ">= 2.5"
+    }
+    hcloud = {
+      source  = "hetznercloud/hcloud"
+      version = ">= 1.50"
+    }
+  }
+}
+
+provider "hcloud" {
+  token = var.hcloud_token
+}
+
+data "coder_workspace" "me" {}
+
+data "coder_workspace_owner" "me" {}
+
+resource "hcloud_network" "private" {
+  name     = "workspace-net-${data.coder_workspace.me.id}"
+  ip_range = var.network_cidr
+}
+
+resource "hcloud_network_subnet" "private" {
+  network_id   = hcloud_network.private.id
+  type         = "server"
+  network_zone = var.location
+  ip_range     = var.network_cidr
+}
+
+resource "hcloud_server" "dev" {
+  count       = var.instances
+  name        = "dev-${count.index}-${data.coder_workspace.me.id}"
+  image       = var.image
+  server_type = var.server_type
+  location    = var.location
+  ssh_keys    = []
+
+  user_data = <<-EOT
+              #!/bin/bash
+              curl -fsSL https://get.coder.com -o coder.sh
+              bash coder.sh
+              EOT
+}
+
+resource "hcloud_volume" "dev_data" {
+  count     = var.instances
+  name      = "volume-${count.index}-${data.coder_workspace.me.id}"
+  size      = var.volume_size
+  server_id = hcloud_server.dev[count.index].id
+}
+
+resource "hcloud_server_network" "connect" {
+  count      = var.instances
+  server_id  = hcloud_server.dev[count.index].id
+  network_id = hcloud_network.private.id
+  ip         = cidrhost(var.network_cidr, count.index + 10)
+}
+
+resource "coder_agent" "main" {
+  os             = "linux"
+  arch           = "amd64"
+  startup_script = <<-EOT
+    echo "Coder agent started on Hetzner VM"
+  EOT
+}
+
+module "code-server" {
+  source   = "registry.coder.com/coder/code-server/coder"
+  version  = "~> 1.0"
+  agent_id = coder_agent.main.id
+}