Add copy-webpack-plugin

package.json

@@ -9,7 +9,7 @@
     "client": "webpack-dev-server --config webpack.client.dev.js",
     "server": "nodemon src/server/index.js --exec babel-node ",
     "build-client": "webpack --progress --config webpack.client.prod.js",
-    "build-server": "babel --no-babelrc --presets=es2015 src/server --out-dir ./dist/server --copy-files",
+    "build-server": "babel --no-babelrc --presets=es2015 src/server --out-dir ./dist/server",
     "serve": "NODE_ENV=production node dist/server/index.js",
     "test": "jest --watch"
   },
@@ -30,6 +30,7 @@
     "babel-preset-react": "^6.24.1",
     "clean-webpack-plugin": "^0.1.19",
     "concurrently": "^3.6.1",
+    "copy-webpack-plugin": "^4.5.2",
     "css-loader": "^0.28.11",
     "enzyme": "^3.3.0",
     "enzyme-adapter-react-16": "^1.1.1",

webpack.client.common.js

 const path = require('path');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const CleanWebpackPlugin = require('clean-webpack-plugin');
+const CopyWebpackPlugin = require('copy-webpack-plugin');
 const webpack = require('webpack');
 
 const outputDirectory = 'dist/public';
@@ -18,6 +19,9 @@ module.exports = {
     }),
     new webpack.NamedModulesPlugin(),
     new webpack.HotModuleReplacementPlugin(),
+    new CopyWebpackPlugin([
+      {from: 'src/client/img', to: 'img'}
+    ])
   ],
   output: {
     filename: '[name].bundle.js',