Architecture overview

BullMQ Proxy is implemented using a relative simple architecture, yet it provides a lot of flexibility.

At the core of the proxy we have the Bun javascript runtime. The choice of this runtime is mostly due to its much better HTTP and WebSocket performance and memory consumption than what is available on other popular runtimes such as NodeJS.

The proxy encapsulates BullMQ library (powered by a Redis™, or compatible instance), and provides an HTTP Restful API (and a WebSocket's API soon), that allows any language or framework that supports HTTP clients and servers to interact with the queues as well as to process jobs.

For example, adding a bunch of jobs to a queue implies posting an array with jobs to /queues/:queue-name/jobs, whereas to process the jobs we need to register an http endpoint (also known as a webhook) that will be called every time there is a job to process. This effectively allows BullMQ to be used on a multi-language multi-framework platform, unlocking easy communication and job management between any services.

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