What is probably broken
The app worked locally, but production fails because keys are missing, public/private vars are mixed, or callbacks still point to old URLs.
The app worked locally, but production fails because keys are missing, public/private vars are mixed, or callbacks still point to old URLs.
A clean env-var map for local, preview, and production with secrets rotated where needed.
STEP 01
Browser-exposed variables are not secrets. Server-only variables must never be shipped to the client.
STEP 02
Every service that redirects back to your app needs the production domain.
STEP 03
If a secret touched a public repo, leaked build log, browser bundle, or chat transcript, treat it as burned.
Quick check
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