How Redis helped me build kwizlet in an hour
summary
Claim: a working quiz API named kwizlet gets built and deployed in about an hour using Node.js, data pulled from a Google spreadsheet (20–30 questions), and Redis as the in‑memory store. Implementation details: Express 3 app on a free Heroku dyno, Redis To Go for the cache, prepopulate a single lucky key asynchronously so the first call returns empty and subsequent calls are instant. Code lives on GitHub; demo runs after pinning Express versions.
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chapters (10)
- 0:00Introduction
- 1:45Redis overview
- 2:48Building quiz API in an hour
- 6:25Setting up Redis-to-Go
- 12:01Clearing Redis and demo
- 15:50Redis for API performance
- 16:54Redis beyond caching
- 19:31Redis applications exercise
- 21:16Quiz Up’s Redis architecture
- 27:03Conclusion
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