Your post has been moved from the Storage General Discussions forum space
(where it definitely didn't belong - this isn't a storage hardware question),
to the Application Express general discussion forum, for a guess at closer topic alignment.
... and to answer your question?
You don't upload your application to a discussion forum.
Perhaps you might get a clearer picture of what Apex is by reading previous forum threads in this space - perhaps read the last two years' worth of such posts.