How California Uses Shiny in Production to Fight COVID-19

This is a companion discussion topic for the original entry at

Short term forecast from the California COVID Assessment Tool (CalCAT) “Things move along so rapidly nowadays that people saying: “It can’t be done,” are always being interrupted by somebody doing it.” – Puck magazine, 1903.
As we at RStudio have talked about the topic of serious data science, we often field questions about the suitability of R for use in large-scale, production environments. Those questions typically coalesce around: