Static content serving changes

Web.config

@@ -24,11 +24,6 @@
           <match url="^server.js\/debug[\/]?" />
         </rule>
 
-        <!-- First we consider whether the incoming URL matches a physical file in the /public folder -->
-        <rule name="StaticContent">
-          <action type="Rewrite" url="public{REQUEST_URI}"/>
-        </rule>
-
         <!-- All other URLs are mapped to the node.js site entry point -->
         <rule name="DynamicContent">
           <conditions>

server.js

@@ -13,9 +13,13 @@ const directLineTokenEp = `https://${DIRECTLINE_ENDPOINT_URI || "directline.botf
 // Initialize the web app instance,
 const app = express();
 app.use(cookieParser());
+
+let options = {};
+// uncomment the line below if you wish to allow only specific domains to embed this page as a frame
+//options = {setHeaders: (res, path, stat) => {res.set('Content-Security-Policy', 'frame-ancestors example.com')}};
 // Indicate which directory static resources
 // (e.g. stylesheets) should be served from.
-app.use(express.static(path.join(__dirname, "public")));
+app.use(express.static(path.join(__dirname, "public"), options));
 // begin listening for requests.
 const port = process.env.PORT || 8080;
 const region = process.env.REGION || "Unknown";