Stop Wasting GitHub Actions Minutes: How We Built a Commit-Driven CI System for iOS

If you're building an iOS app with GitHub Actions, you're probably burning through macOS runner minutes like they're free. Spoiler: they're not — macOS runners cost 10x more than Linux runners, and a 25-minute test run that fires on every push adds up fast. We run a Swift/SwiftUI app with 3000+ tests across BLE integration, calibration logic, snapshot testing, and more. Here's how we went from "run everything on every push" to an opt-in, routable, self-hosted-friendly CI. TL;DR — you can get the