A FastAPI web service dispatches tasks to Celery and RServe workers, with Redis as broker and store, running on Docker Compose and Kubernetes.

Implement the async feature of R Shiny and find its limits, measured against an alternative app with a JavaScript frontend and an RServe backend.

Deploy plumber, RServe and rApache APIs in Docker containers, then compare the three R API options on example requests and response performance.

Serve an R function as an API three ways, with plumber, RServe and rApache, and see what each option asks of the developer to set up.