Calvin

Hi, I noticed this hasn't been updated since July 22. May I work on the issue? I'm a first time contributor, so please bear with me.

> > Ah, nice. You don't find it clunky to run with the Learner Lab and changing credentials? > > I don't very mind it. It's a few seconds of...

In that case how about using `.tfvars`? ``` provider "aws" { region = var.region access_key = var.access_key secret_key = var.secret_key } ``` in a vars.tf file ``` variable "access_key" {...