react-structure-template/src/router.js

import React from "react";
import { Switch, Route } from "react-router-dom";
import App from "./container/App";
import FetchPage from "./container/fetchPage";

export default () => (
	<Switch>
		<div>
			<Route path="/" exact component={App} />
			<Route exact path="/fetch" component={FetchPage} />
		</div>
	</Switch>
);