I am planing to transfer product images from odoo to php site using webservices provided by odoo. so here duplication of images happen in php site and odoo i.e i am storing images in odoo and php site. To overide this duplication, we are planing to store images in amazon s3 bucket. This image is common for both the sites. How can i upload image to amazon s3 bucket instead of postgres db when i create product in odoo?