diff --git a/packer/build.pkr.hcl b/packer/build.pkr.hcl
index e5fc4f0..2077c66 100644
--- a/packer/build.pkr.hcl
+++ b/packer/build.pkr.hcl
@@ -6,8 +6,8 @@ build {
   ]
 
   provisioner "file" {
-    direction = "upload"
-    source = "./rootfs"
+    direction   = "upload"
+    source      = "./rootfs"
     destination = "/tmp"
   }
 
diff --git a/packer/sources.pkr.hcl b/packer/sources.pkr.hcl
index 53041d6..5d9a282 100644
--- a/packer/sources.pkr.hcl
+++ b/packer/sources.pkr.hcl
@@ -1,10 +1,10 @@
 source "hcloud" "main" {
   token = var.hcloud_api_token
 
-  image = "ubuntu-20.04"
+  image       = "ubuntu-20.04"
   server_name = "wireguard-{{timestamp}}"
   server_type = "cx11"
-  location = "fsn1"
+  location    = "fsn1"
 
   snapshot_name = "wireguard-{{timestamp}}"
   snapshot_labels = {
@@ -13,19 +13,19 @@ source "hcloud" "main" {
 
   user_data_file = "./hetzner/seed/user-data"
 
-  ssh_port = "22"
-  ssh_username = "root"
-  ssh_timeout = "10m"
+  ssh_port                  = "22"
+  ssh_username              = "root"
+  ssh_timeout               = "10m"
   ssh_clear_authorized_keys = true
 }
 
 source "digitalocean" "main" {
   api_token = var.digitalocean_api_token
 
-  image = "ubuntu-20-04-x64"
+  image        = "ubuntu-20-04-x64"
   droplet_name = "wireguard-{{timestamp}}"
-  size = "s-1vcpu-1gb"
-  region = "fra1"
+  size         = "s-1vcpu-1gb"
+  region       = "fra1"
 
   snapshot_name = "wireguard-{{timestamp}}"
   tags = [
@@ -34,40 +34,40 @@ source "digitalocean" "main" {
 
   user_data_file = "./digitalocean/seed/user-data"
 
-  ssh_port = "22"
-  ssh_username = "root"
-  ssh_timeout = "10m"
+  ssh_port                  = "22"
+  ssh_username              = "root"
+  ssh_timeout               = "10m"
   ssh_clear_authorized_keys = true
 }
 
 source "qemu" "main" {
-  iso_url = "https://cloud-images.ubuntu.com/daily/server/focal/current/focal-server-cloudimg-amd64.img"
+  iso_url      = "https://cloud-images.ubuntu.com/daily/server/focal/current/focal-server-cloudimg-amd64.img"
   iso_checksum = "file:https://cloud-images.ubuntu.com/daily/server/focal/current/SHA256SUMS"
-  disk_image = true
+  disk_image   = true
 
-  vm_name = "wireguard.qcow2"
-  http_directory = "./qemu/http/"
+  vm_name          = "wireguard.qcow2"
+  http_directory   = "./qemu/http/"
   output_directory = "./dist/qemu/"
 
   accelerator = "kvm"
-  cpus = 1
-  memory = 512
-  headless = true
+  cpus        = 1
+  memory      = 512
+  headless    = true
   qemuargs = [
     ["-smbios", "type=1,serial=ds=nocloud-net;s=http://{{.HTTPIP}}:{{.HTTPPort}}/seed/"]
   ]
 
   net_device = "virtio-net"
 
-  format = "qcow2"
-  disk_size = "4G"
-  disk_interface = "virtio"
+  format           = "qcow2"
+  disk_size        = "4G"
+  disk_interface   = "virtio"
   disk_compression = false
 
-  ssh_port = "22"
-  ssh_username = "root"
-  ssh_password = "toor"
-  ssh_timeout = "10m"
+  ssh_port                  = "22"
+  ssh_username              = "root"
+  ssh_password              = "toor"
+  ssh_timeout               = "10m"
   ssh_clear_authorized_keys = true
 
   shutdown_command = "shutdown -P now"
diff --git a/packer/variables.pkr.hcl b/packer/variables.pkr.hcl
index f9c69e3..1a5594f 100644
--- a/packer/variables.pkr.hcl
+++ b/packer/variables.pkr.hcl
@@ -1,11 +1,11 @@
 variable "hcloud_api_token" {
-  type = string
+  type        = string
   description = "Hetzner Cloud API token"
-  default = ""
+  default     = ""
 }
 
 variable "digitalocean_api_token" {
-  type = string
+  type        = string
   description = "DigitalOcean API token"
-  default = ""
+  default     = ""
 }
diff --git a/terraform/main.tf b/terraform/main.tf
index 4570f9c..e5e8e76 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -4,19 +4,19 @@ provider "hcloud" {
 
 data "hcloud_image" "wg_image" {
   with_selector = "service=wireguard"
-  most_recent = true
+  most_recent   = true
 }
 
 resource "hcloud_ssh_key" "wg_server_ssh_key" {
   public_key = var.wg_server_ssh_publickey
-  name = var.wg_server_ssh_publickey_name
+  name       = var.wg_server_ssh_publickey_name
 }
 
 resource "hcloud_server" "wg_server" {
-  image = data.hcloud_image.wg_image.id
-  name = var.wg_server_name
+  image       = data.hcloud_image.wg_image.id
+  name        = var.wg_server_name
   server_type = var.wg_server_type
-  location = var.wg_server_location
+  location    = var.wg_server_location
   labels = {
     service = "wireguard"
   }
@@ -24,7 +24,7 @@ resource "hcloud_server" "wg_server" {
     hcloud_ssh_key.wg_server_ssh_key.id
   ]
   user_data = templatefile("${path.module}/templates/user-data.tpl", {
-    wg_server_own_privatekey = var.wg_server_own_privatekey
+    wg_server_own_privatekey  = var.wg_server_own_privatekey
     wg_server_peer_publickeys = var.wg_server_peer_publickeys
   })
 }
diff --git a/terraform/outputs.tf b/terraform/outputs.tf
index 7a9da79..6b187cb 100644
--- a/terraform/outputs.tf
+++ b/terraform/outputs.tf
@@ -1,9 +1,9 @@
 output "wg_server_ipv4_address" {
-  value = hcloud_server.wg_server.ipv4_address
+  value       = hcloud_server.wg_server.ipv4_address
   description = "IPv4 address"
 }
 
 output "wg_server_ipv6_address" {
-  value = hcloud_server.wg_server.ipv6_address
+  value       = hcloud_server.wg_server.ipv6_address
   description = "IPv6 address"
 }
diff --git a/terraform/terraform.tfvars.sample b/terraform/terraform.tfvars.sample
index 6eb23fc..b07ae3e 100644
--- a/terraform/terraform.tfvars.sample
+++ b/terraform/terraform.tfvars.sample
@@ -1,11 +1,11 @@
 hcloud_api_token = ""
 
-wg_server_name = ""
-wg_server_type = ""
+wg_server_name     = ""
+wg_server_type     = ""
 wg_server_location = ""
 
-wg_server_ssh_publickey = ""
+wg_server_ssh_publickey      = ""
 wg_server_ssh_publickey_name = ""
 
-wg_server_own_privatekey = ""
+wg_server_own_privatekey  = ""
 wg_server_peer_publickeys = []
diff --git a/terraform/variables.tf b/terraform/variables.tf
index aa185e5..cd66332 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -1,43 +1,43 @@
 variable "hcloud_api_token" {
-  type = string
+  type        = string
   description = "Hetzner Cloud API token"
-  default = ""
+  default     = ""
 }
 
 variable "wg_server_name" {
-  type = string
+  type        = string
   description = "Server name"
-  default = "wireguard"
+  default     = "wireguard"
 }
 
 variable "wg_server_type" {
-  type = string
+  type        = string
   description = "Server type"
-  default = "cx11"
+  default     = "cx11"
 }
 
 variable "wg_server_location" {
-  type = string
+  type        = string
   description = "Server location"
-  default = "fsn1"
+  default     = "fsn1"
 }
 
 variable "wg_server_ssh_publickey" {
-  type = string
+  type        = string
   description = "SSH public key"
 }
 
 variable "wg_server_ssh_publickey_name" {
-  type = string
+  type        = string
   description = "SSH public key name"
 }
 
 variable "wg_server_own_privatekey" {
-  type = string
+  type        = string
   description = "WireGuard private key"
 }
 
 variable "wg_server_peer_publickeys" {
-  type = list(string)
+  type        = list(string)
   description = "WireGuard peer public keys"
 }