The udraw project no longer requires servers for its API and storage back-end. The NodeJS + Express app has been ported to run inside AWS Lambda & API Gateway with tile storage backed in S3 with an Elasticache Redis sitting in as a tile cache and WebSocket message broker. But....

udraw is a multiplayer drawing application like many other drawing apps that have surfaced since the rise of WebSockets. Mine expands in size, allowing huge drawings on an unlimited-sized surface. Each canvas area is broken into 256x256 pixel tiles drawn on a single HTML5 canvas seamlessly to make drawing on