Receive Photos from WebSockets
Now that the application handles multiple photos, you can update it in real time with new photos via WebSockets. A WebSocket is a network protocol that allows a client application and a server to communicate back and forth. WebSockets are great for applications, such as chat apps, that require real-time notifications. WebSockets allow a server to effectively push data to a client, perfect for updating the photo feed in real time. If you’d like to learn more about WebSockets, I recommend checking out WebSocket: Lightweight Client-Server Communications [Lom15].
In this section, you will hook the application up to a WebSocket server, connecting to the server with JavaScript while using Elm ports to communicate WebSocket ...
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