changed the url to /feed/ and reject everything else

server.js

@@ -151,7 +151,35 @@ function getUrl (req, res) {
   });
 }
 
-app.get('/:encoded_id', getUrl);
+function notFound(request, response) {
+  logger.warn(
+    'Unhandled resource',
+    {
+      'statusCode': 404,
+      'error': 'Unknown resource',
+      'resource': request.originalUrl
+    }
+  );
+
+  return response
+    .status(404);
+}
+
+function defaultErrorHandler(error, request, response, next) {
+  logger.error('Uncaught error', { 'statusCode': 500, error });
+
+  return response
+    .status(500)
+    .render('pages/error');
+}
+
+app.get('/feed/:encoded_id', getUrl);
+
+// Mount 404 handler as penultimate middleware
+// app.use(notFoundHandler);
+
+// Final middleware is our catch-all error handler
+app.use(defaultErrorHandler);
 
 const server = app.listen(port, () => {
   logger.info(`Server listening on port ${port}`);