Infrastructure as Code Cookbook

Managing Heroku apps and add-ons using Terraform

Heroku is a popular Platform-as-a-Service (PaaS), where you have absolutely no control over the infrastructure. But even for such platforms, Terraform can automate and manage things for you, so Heroku can do the rest. We'll create an app (a simple GitHub Hubot: http://hubot.github.com/), but feel free to use your own. On top of this app, we'll automatically plug a Heroku add-on (redis) and deploy everything.

Getting ready

To step through this recipe, you will need the following:

• A working Terraform installation
• A Heroku account (https://www.heroku.com/)
• An optional Slack Token
• An Internet connection

How to do it…

First things first: we need to define the Heroku provider. It consists of an e-mail address ...