Using create-react-app with “npm run dev”

Question

I am developing a React JS app on a remote server which uses Apache.

In the past I have built a React JS app manually with webpack/babel etc. and then used "npm run dev" to run the app.

With this method I could see any errors on the fly in the terminal and test in the browser automatically through the web browser.

I am now creating a new site with create-react-app which takes care of a lot of the tedious setup for you. One thing I cannot figure out is how to use something similar to "npm run dev". My two options seem to be:

• npm run build - This takes a while and I have to rerun it every time I change my code. It does put the updated code in the /build directory which I can link to from my Apache server and see in my browser.
• npm start - I can see any errors right away in the terminal, but I cannot see it in my browser because it runs on localhost and does not get compiled to the build directory.

What can I do so that I get the best of both worlds? Having quick rebuilds / error reporting and being able to see remotely through my Apache server?

Or would it be better just to go back to my old manual way of doing things?