What's your go-to web stack for publishing a dashboard/interactive map?

In this case, data changes infrequently and the total dataset is a few GB, an appreciable fraction of which might be loaded (~50MB) to populate points on a map.

In the past my basic approach has been a flask app to expose API routes to a database, and which populate a plotly/leaflet page, but this seems like overkill in the new paradigm of partial parquet reads and so on.

So I've been looking at just dropping a single parquet file …

api app basic case dashboard data database datascience dataset flask interactive map publishing stack total web