Share tasks between all the instances

[Alma-media]

Design and implement a mechanism to share async request statuses and results between different application instances: consumer should be able to start the job with one application instance and retrieve from any other (Timap can be used only for single instance).

[Alma-media]

configure storage outside middleware

type Map interface{
  Load(string) interface{}
  Store(string, interface{})
  Delete(string)
}

func AsyncRequest(storage Map, reqTimeout time.Duration) Middleware { ... }