Service-ception: how and why we’ve built a service inside a service

Here at Yotpo, we run a very high scale (tens of millions of requests per day) web system. We ship our product to eCommerce web sites, each with its own scale of shoppers, all of which we serve.One of the products we offer our customers is User Generated Images (images created by shoppers). We recently started working on a new product offering — an Album Widget. In this widget, shop owners can choose images which their shoppers uploaded, and show these images on an onsite widget. Moreover, we will allow them to moderate and add images from instagram to the album.I...