Remove DO token variable. Update readme and provisioner

.gitignore

@@ -34,3 +34,4 @@ override.tf.json
 .terraformrc
 terraform.rc
 
+tf-digitalocean*

README.md

@@ -1,3 +1,20 @@
 # wireguard-terraform-digitalocean
 
 Example of creating a wireguard VPN on DO using Terraform.
+
+## Setup
+First create an `ssh key` to use with this example:
+```shell
+ssh-keygen -t rsa -C "WireguardVPN" -f ./tf-digitalocean -q -N ""
+```
+
+Next export your DigitalOcean Access token:
+```shell
+export DIGITALOCEAN_ACCESS_TOKEN=dop_v1_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+```
+
+Finally run the Terraform
+```shell
+terraform init
+terraform apply -auto-approve
+```

main.tf

@@ -1,7 +1,7 @@
 # Create a new SSH key
 resource "digitalocean_ssh_key" "default" {
   name       = "Terraform Example"
-  public_key = file("~/.ssh/id_rsa.pub")
+  public_key = file("./tf-digitalocean.pub")
 }
 
 # Create a new Web Droplet in the nyc2 region
@@ -16,11 +16,11 @@ resource "digitalocean_droplet" "web" {
     host = digitalocean_droplet.web.ipv4_address
     type = "ssh"
     user = "root"
-    private_key = "${file("~/.ssh/id_rsa.pem")}"
+    private_key = "${file("./tf-digitalocean")}"
   }
 
   provisioner "remote-exec" {
-    inline = [ "cat /root/wireguard-config/client-config.conf" ]
+    inline = [ "cat /root/wireguard-conf/client-config.conf" ]
   }
 }
 

terraform.tf

@@ -8,6 +8,5 @@ terraform {
 }
 
 provider "digitalocean" {
-  token = var.do_token
 }
 

variables.tf

@@ -1,4 +0,0 @@
-variable "do_token" {
-  type        = string
-  description = "Digital Ocean API token"
-}