We stopped sharing one staging server — here's what we built instead Every team I've been on has had the same problem. You have 4 engineers. You have one staging server. Every morning there's a Slack message: "who's on staging right now?" Someone has to wait. Someone always merges before QA finishes. Someone's PR sits in review for 3 days because the environment is occupied. The frontend teams solved this years ago. Vercel gives you a preview URL for every branch automatically. It's genuinely great — if your stack is Next.js. But if you're running Django, Rails, Laravel, FastAPI, Spring Boot, or anything else that needs a real backend process? You're stuck with the shared staging server. Or you spend two weeks wiring up Kubernetes preview environments. We got tired of it and built PreviewDrop . How it works PreviewDrop spins up an isolated Docker environment for every GitHub branch or pull request. Each environment gets its own URL. When the PR closes, the environment is automatically cleaned up.…