> That seems pretty expensive in terms of resource consumption. And complex as you would have to run some kind of watcher process which handles watching your fi

> That seems pretty expensive in terms of resource consumption. And complex as you would have to run some kind of watcher process which handles watching your files and restarting the application? What? No, in reality it’s just running your app in debug mode (just a cli flag), and when you save the files the next refresh of the browser has the live version of the app. It’s neither expensive nor complex.