I built a self-hosted CI/CD platform with persistent queue, encrypted secrets, and rollback UI (opens in new tab)

For the past several months I've been building Deploy Center, a self-hosted CI/CD deployment platform. v3.0 shipped recently, and I want to share the architecture decisions, what worked, and what I'd do differently. TL;DR: — MIT licensed, TypeScript + Express + React + MySQL/MariaDB + Redis. The problem I was trying to solve Most small teams I've worked with deploy through one of these: A bash script triggered by a cron or a manual SSH GitHub Actions running ad-hoc scripts on the target serve...