FastAPI and NiceGUI served from one Python process give a backend API and a web UI in a single codebase, compared here with React and with Streamlit.

A Python generator loads theLook eCommerce data into PostgreSQL, and a FastAPI WebSocket server queries it on a timer to serve live dashboards.

Set up path-based routing with Traefik and Docker for Python and R services, then add centralized authentication with Forward Authentication.

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