Access webpack-dev-server through local network

Add to webpack.config.js:

var config = {
    devServer: {
        host: '0.0.0.0',
        disableHostCheck: true
    },
...

How to find the local IP address (on Ubuntu)

hostname -I

on Mac (source: https://apple.stackexchange.com/questions/20547/how-do-i-find-my-ip-address-from-the-command-line):

ifconfig | grep "inet " | grep -Fv 127.0.0.1 | awk '{print $2}'