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rabbitmq - Route message to queue based on one of the message's properties as routing key

I have a microservice A that publishes messages to an exchange E. Each one of those messages contain in one of its json-representation fields a property which I want to use as a routing key.

For example, if E has queues Q1 (which receives routing key R1), Q2 (R2) and Q3 (R3) bound to it, and message M was published to exchange E with routing key R2 in one its properties, I would like Q2 to get M.

However, I do not wish to explicitly send the message with a routing key from microservice A but to send it as is.

I was looking into rabbit plugins or exchange to exchange bindings to find a way to do it but couldn't find something of that sort without implementing another microservice that only routes the messages.

I would love to hear suggestions on how to do so based on existing tools.


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