I've used TerraForm to string together (subsets of) AWS, Heroku and CloudFlare. Having set up quite a few greenfield projects recently, being able to re-use the

I've used TerraForm to string together (subsets of) AWS, Heroku and CloudFlare. Having set up quite a few greenfield projects recently, being able to re-use the same tool is great. The amount of effort required is so low now, that every project I set up has review apps - which really is a fantastic concept. TerraForm has been key. If you only use AWS, I'm sure CloudFormation is great too.