I Built a Tool That Writes Its Own Infrastructure

A complete beginner-friendly walkthrough of building SwiftDeploy: a CLI tool that generates Nginx configs, manages Docker containers, enforces deployment policies, and gives you a live metrics dashboard — all from a single YAML file. Who This Post Is For If you have heard words like "Docker", "Nginx", "deployment", or "policy-as-code" and felt a little lost — this post is for you. I will explain every concept from scratch before using it. By the end, you will understand not just what I built, bu