[grncdr]

No, they don't. You can absolutely run ActionCable with the postgres adapter in your main rails app server and require no additional services.

Edit: this is also why I mentioned GoodJob, it supports the full ActiveJob API (delays, retries, etc), even comes with a nice Web UI, and it only requires Postgres.

[cpursley]

I'm using Quantum as my job runner in Elixir. Doesn't require even Postgres. Can't do that in Rails or other stacks:

https://github.com/quantum-elixir/quantum-core

^ obviously it won't fit every use case (where you need 100% durability) but for that there's Oban which is awesome:

https://getoban.pro