This may do the trick for you:
handlers:
- url: /
static_files: path/to/index.html
upload: local/path/to/index.html
- url: /(.+)
static_files: path/to/\1
upload: local/path/to/(.+)
URL- URL- path/to/index.html. , , , path/to, URI . URL http://yourapp.appspot.com/index.html path/to/index.html, URL-, http://yourapp.appspot.com/foo/bar.html, path/to/foo/bar.html.
GAE, .