index.ejs

<!doctype html>
<html>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no"/>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<head>
    <title><%= htmlWebpackPlugin.options.title %></title>
    <script src="<%= htmlWebpackPlugin.files.chunks.main.entry %>" defer></script>
</head>
<body>
    <%= htmlWebpackPlugin.files.webpackManifest %>
    <div id="app"></div>
</body>
</html>