This is a fairly old article, but this has become a very common pattern. For 90% of projects that just need a task queue for sending email or generating reports, you're not going to be doing millions of messages a second and anything that simplifies your stack is worth looking at. I've used these patterns so often to work around issues encountered with Celery that I've split them into their own framework, https://github.com/TkTech/chancy (feedback appreciated ;)

There are lots of these, several of which are commercial ventures so there's definite interest behind it:

    https://worker.graphile.org/ (Node.js)
    https://riverqueue.com/ (Go)
    https://github.com/acaloiaro/neoq (Go)
    https://github.com/contribsys/faktory (Go)
    https://github.com/sorentwo/oban (Elixir)
    https://github.com/procrastinate-org/procrastinate (Python)