Environment variables and secrets

Where settings and secrets should live on your laptop and on a live server, which ones are safe to show, and how to change a key without breaking your site.

This lesson is part of the full course

A seat in the November 2026 batch (₹999) gets you 7 live Sunday classes, the batch WhatsApp group, and all 78 lessons (about 23 hours) with three guided projects, the prompt library and a certificate. The lessons stay yours for life.

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