Each one is built and documented the way a production team would do it: infrastructure as code, automated delivery, decisions written down, and problems traced to their cause.
A production-style AWS platform built entirely as code: three environments, GitOps delivery, signed images, full observability, and admin access without an open port. Any environment can be destroyed and rebuilt from Git.
This website, hosted on AWS for less than a dollar a month and run like a production service: infrastructure in Terraform, deployments without stored keys, strict security headers, and visitor statistics without a tracking script.