dev server v4

Author: dmt0

package.json

@@ -97,9 +97,9 @@
     "rimraf": "3.0.2",
     "sass-loader": "7.1.0",
     "style-loader": "2.0.0",
-    "webpack": "5.1.2",
-    "webpack-cli": "4.5.0",
-    "webpack-dev-server": "3.11.2"
+    "webpack": "5.30.0",
+    "webpack-cli": "4.6.0",
+    "webpack-dev-server": "4.0.0-beta.1"
   },
   "peerDependencies": {
     "react": ">15",

webpack.config.js

@@ -47,7 +47,7 @@ module.exports = {
   plugins: [new webpack.IgnorePlugin(/vertx/)],
   devServer: {
     open: true,
-    contentBase: './dev',
+    static: './dev',
   },
   devtool: 'eval-source-map',
 };