diff --git a/README.md b/README.md
index b553982..f8c787c 100644
--- a/README.md
+++ b/README.md
@@ -6,14 +6,19 @@
 
 ## Deployment instructions
 
- 1. Build the server image with Packer.
+ 1. Copy `./packer/packer.auto.pkrvars.hcl.sample` file to `./packer/packer.auto.pkrvars.hcl` and
+ fill it with the appropriate values.
+
+ 2. Build the server image with Packer.
  ```sh
  cd ./packer/
- export HCLOUD_TOKEN=XXXX
  packer build ./
  ```
 
- 2. Deploy the server image with Terraform.
+ 3. Copy `./terraform/terraform.tfvars.sample` file to `./terraform/terraform.tfvars` and fill it
+ with the appropriate values.
+
+ 4. Deploy the server image with Terraform.
  ```sh
  cd ./terraform/
  terraform init
diff --git a/packer/packer.auto.pkrvars.hcl.sample b/packer/packer.auto.pkrvars.hcl.sample
new file mode 100644
index 0000000..fce2517
--- /dev/null
+++ b/packer/packer.auto.pkrvars.hcl.sample
@@ -0,0 +1 @@
+hcloud_api_token = ""
diff --git a/packer/sources.pkr.hcl b/packer/sources.pkr.hcl
index ceafceb..658aa25 100644
--- a/packer/sources.pkr.hcl
+++ b/packer/sources.pkr.hcl
@@ -1,4 +1,6 @@
 source "hcloud" "main" {
+  token = var.hcloud_api_token
+
   image = "ubuntu-20.04"
   server_name = "wireguard-{{timestamp}}"
   server_type = "cx11"
diff --git a/packer/variables.pkr.hcl b/packer/variables.pkr.hcl
new file mode 100644
index 0000000..f277595
--- /dev/null
+++ b/packer/variables.pkr.hcl
@@ -0,0 +1,5 @@
+variable "hcloud_api_token" {
+  type = string
+  description = "Hetzner Cloud API token"
+  default = ""
+}
diff --git a/terraform/variables.tf b/terraform/variables.tf
index ee93e6d..aa185e5 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -1,6 +1,7 @@
 variable "hcloud_api_token" {
   type = string
   description = "Hetzner Cloud API token"
+  default = ""
 }
 
 variable "wg_server_name" {