IoT

I’m currently very interested in serverless (aka no dedicated backend required) JavaScript Web Applications … with AWS S3, Lambda & API Gateway you can actually get pretty far. Yet there is one thing I didn’t know how to do: Pub/Sub or “Realtime Messaging”. Realtime messaging allows to build web applications that can instantly receive messages published by another application (or the same one running in a different person’s browser). There even are cloud services permitting to do exactly this, e....