title: Terraform plan command giving permission denied error
body: <p>I am trying to create a simple terraform project with Digital Ocean provider. I am following this tutorial:</p>
  <p><a href="https://www.digitalocean.com/community/tutorials/how-to-use-terraform-with-digitalocean" rel="nofollow noreferrer">terraform sample project tutorial</a></p>
  <p>Now when I try to run terraform plan command, I am getting following error:</p>
  <pre><code>Error: digitalocean_droplet.www-1: 1 error(s) occurred:
  
  * digitalocean_droplet.www-1: file: open /home/najmul/.ssh/id_rsa: permission denied in:
  
  ${file(var.pvt_key)}
  </code></pre>
  <p>Any suggestion?</p>
  <p>Thanks.</p>