multiple-configs.js

module.exports = [
    {
        name: 'first-config',
        entry: './src/first.js',
        stats: 'normal',
        mode: 'production',
    },
    {
        name: 'second-config',
        entry: './src/second.js',
        stats: 'normal',
        mode: 'production',
    },
];