Broadcast Real-time Updates From Cosmos DB With SignalR Service And Azure Functions

– Cosmos DB set off – when a change is detected in the flights assortment, the perform is executed, passing within the up to date doc(s) in an argument named updatedFlights.

– SignalR Service output binding – utilized by the operate to output messages to a SignalR Service hub named flights.

To use the Cosmos DB and SignalR Service bindings, we need to install them using the Features Core Tools CLI:

The requirement that multiple AWS EC2 cases of the appliance may be deployed at any given time (autoscaling), added to creating this integration a problem. The broadcast knowledge can be generated from any server occasion, and consumed on a different server instance. We dealt with the problem through the use of an unbiased Redis server instance for storing the broadcast knowledge.

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