Remove DO token variable. Update readme and provisioner

README.md

@@ -1,3 +1,20 @@
 # wireguard-terraform-digitalocean
 
-Example of creating a wireguard VPN on DO using Terraform.
+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
+```