webpack.config.dev.js

const path = require('path');
const webpack = require('webpack');
const merge = require('webpack-merge');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const webpackConfig = require('./webpack.config');

const TARGET = process.env.npm_lifecycle_event;
process.env.BABEL_ENV = TARGET;

module.exports = merge(webpackConfig, {
  devtool: 'eval-source-map',
  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    // Enable history API fallback so HTML5 History API based
    // routing works. This is a good default that will come
    // in handy in more complicated setups.
    historyApiFallback: true,
    hot: true,
    inline: true,
    // Display only errors to reduce the amount of output.
    stats: 'errors-only',
    // Parse host and port from env so this is easy to customize.
    //
    // If you use Vagrant or Cloud9, set
    // host: process.env.HOST || '0.0.0.0';
    //
    // 0.0.0.0 is available to all network devices unlike default
    // localhost
    host: process.env.HOST,
    port: process.env.PORT,
    proxy: {
      '/api/**': {
        target: 'http://localhost:8000',
        secure: false
      }
    }
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    // new DashboardPlugin()
  ]
});