#infrastructure-as-code

Building a Three Tier AWS Architecture with Terraform From Scratch

I wanted to stop consuming Terraform modules and start writing them. The best way I know how to learn something is to build something real, break it, fix it, and understand why it works. So I sat down and built a full three tier AWS architecture from scratch, no copy paste, no AI, just me, the Terraform docs, and a lot of errors. Here is what I ended up with and what I learned along the way.