module.exports = function(grunt) { grunt.loadNpmTasks("grunt-webpack"); grunt.initConfig({ webpack: { options: { // configuration for all builds }, build: { // configuration for this build } }, "webpack-dev-server": { options: { webpack: { // configuration for all builds }, // server and middleware options for all builds }, start: { webpack: { // configuration for this build }, // server and middleware options for this build } } }); };