Using Amazon s3 how to upload photos from iphone to server

Using Amazon s3 how to upload photos from iphone to server

I am creating an iPhone app to allow users upload & share photos. Part of
the functionality involves uploading pictures from the iPhone to the
server.I want to uploaded the photos from iphone to server Using Amazon
s3.Using Amazon s3 how to upload images from iphone to server. Please give
me any idea.Thanks in advance.