1const path = require('path'); 2 3module.exports = (env) => { 4 5 console.log('NODE_ENV: ', env.NODE_ENV); 6 return { 7 entry: './', 8 mode: 'development', 9 devServer: { 10 port: 4200, 11 hot: true, 12 open: true, 13 openPage: 'index.htm' 14 } 15 } 16}; 17