feat: terraform + ansible config to provision a host on hetzner & set cloudflare DNS

terraform/main.tf

@@ -0,0 +1,52 @@
+# SSH key shared with the VPS
+resource "hcloud_ssh_key" "ansible" {
+  name       = var.project_name
+  public_key = var.ssh_public_key
+}
+
+# Provision a small Hetzner Cloud VPS
+resource "hcloud_server" "dokploy" {
+  name        = var.project_name
+  image       = var.hcloud_image
+  server_type = var.hcloud_server_type
+  location    = var.hcloud_location
+  ssh_keys    = [hcloud_ssh_key.ansible.id]
+
+  public_net {
+    ipv4_enabled = true
+  }
+}
+
+# Resolve the Cloudflare zone from its apex domain name
+data "cloudflare_zone" "zone" {
+  filter = {
+    name = var.domain_name
+  }
+}
+
+locals {
+  public_ip = hcloud_server.dokploy.ipv4_address
+}
+
+# Automatically publish the VPS IP as a Cloudflare A record
+resource "cloudflare_dns_record" "a" {
+  zone_id = data.cloudflare_zone.zone.id
+  name    = var.record_name
+  type    = "A"
+  content = local.public_ip
+  proxied = var.cloudflare_proxied
+  ttl     = var.cloudflare_proxied ? 1 : 3600
+}
+
+# Write IP to Ansible inventory
+resource "local_file" "ansible_inventory" {
+  content = templatefile("${path.module}/../ansible/inventory.tpl", {
+    public_ip = local.public_ip
+  })
+  filename = "${path.module}/../ansible/inventory.ini"
+}
+
+output "public_ip" {
+  description = "The public IPv4 address of the provisioned Hetzner Cloud VPS"
+  value       = local.public_ip
+}