Fire & forget Task from Phoenix controller

[wolf4earth]

This response to a different but similar thread might answer your question:

When are Agent and Task.Supervisor useful?

A frequently overlooked but important role of supervisors is proper cleanup of processes. When a supervisor terminates, all of it’s descendants will be taken down as well. That allows you to terminate needless processes if some part of the system crashes, and also to cleanly take down the entire application (for example during rolling upgrade). Therefore every process in your system should reside in the supervision tree, even if you don’t want to restart them. In such cases you can use the tem…