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If you followed part one of this series, you deployed a basic WebSocket into your AWS account. It has the ability to add and remove connections, as well as add and remove subscriptions to specific entities. Today we are going to use a branch in that repo that enhances what we had.
The WebSocket API only supports the Sec-WebSocket-Protocol header when establishing a connection. Tools like Postman allow you to pass in other headers when making a connection (which is a good thing!), but when you get to writing the code for the front-end in your app, you will be stopped immediately.
In the year of async we're diving headfirst into the WebSocket pool. Upcoming in the series are posts about how to document a WebSocket API using the Async API Spec, adding user-based push notifications, and moving from synchronous to asynchronous endpoints without missing a beat.
So instead of the standard Authorization header when establishing a new connection, we will pass in a query string parameter called access_token that contains our jwt.
If you are unfamiliar with checking out non-main branches in a repository, you can run the following commands in a terminal of VS Code to check it out locally.