Task: Fix Nginx "Upstream Prematurely Closed Connection" for Long-Running Requests

Task: Fix Nginx "Upstream Prematurely Closed Connection" for Long-Running Requests: a task in Terminal-Lego-15k (Harbor dataset). You have an Nginx reverse proxy in front of a Node.js backend server. The backend has an endpoint ( /update mbtiles/:earthquake ) that spawns a shell script which can…