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6/29/2026

I Built a Global Opinion Platform in 72 Hours — Here Is What Actually Went Wrong
Short summary
Author built a working opinion platform in 72 hours at a hackathon and documented three costly database-design mistakes: assuming Aurora DSQL matches PostgreSQL, underestimating concurrent-write complexity, and inadequate table planning. AWS Bedrock integration and Vercel provisioning exceeded expectations. The transparent retrospective provides practical lessons for rapid builders.
- •Built a global opinion platform in 72 hours at the H0 hackathon
- •Documented critical mistakes: Aurora DSQL assumptions, concurrent-write complexity, table planning
- •AWS Bedrock and Vercel infrastructure performed better than expected
Generated with AI, which can make mistakes.
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