For invalid Authorization header it sends "404 - Bad Request" response.

Gzip returns a middleware which compresses HTTP response using gzip compression scheme.

Recover returns a middleware which recovers from panics anywhere in the chain and handles the control to centralized HTTPErrorHandler.

RedirectToSlash returns a middleware which redirects requests without trailing slash path to trailing slash path.

StripTrailingSlash returns a middleware which removes trailing slash from request path.