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Your API Works Locally but Fails in Production: A Systematic Debugging Guide

This story is from 2026-10-14. It is preserved in the archive; the latest stories are on the live feed.

Your API works perfectly on your laptop. The endpoints return the expected responses, database queries succeed, and your frontend communicates with the backend without any issues. Then you deploy. Suddenly, requests return 500 Internal Server Error . Authentication stops working. Database connectio…

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  1. 2026-10-14 18:39 · DEV Community — AI
    Your API Works Locally but Fails in Production: A Systematic Debugging Guide

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