Run a development webiste from your iPhone if connected via hotspot

Let's assume that you want to access a website that you are developing on your macOS computer (localhost) via your iPhone (connected via hotspot).

Go to network settings in your computer to know the local IP:

If you are developing a React application (port 3000 by default), you can access it from your iPhone by typing the computer's local IP in the browser:

http://172.20.10.5:3000