Phase 16 · Security Across the Stack
TopicsSecrets Management
Part of the Full Stack Developer Roadmap.
Summary
Keeping API keys, database credentials, and third-party secrets out of your codebase entirely — with special care that frontend-bundled env vars never accidentally include backend secrets.
How to Learn This
- 1Audit both your frontend and backend for any hardcoded secrets.
- 2Confirm no backend-only secret is prefixed in a way that gets bundled into your frontend's public JS.
- 3Use your hosting platforms' environment variable dashboards for all production secrets.
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