her web apps:</p><ul><li>Listen to the port it receives as a parameter.</li><li>Expect <code>HTTP GET</code> requests on the <code>/ratings/{productID}</code> path and return the
ratings of the product matching the value the client specifies for <code>productID</code>.</li><li>Expect <code>HTTP POST</code> requests on the <code>/ratings/{productID}</code> path and update the
ratings of the product matching the value you specify for <code>productID</code>.</li></ul><p>Follow these steps to download the code 