Developer shares key mistakes from building a global opinion platform in 72 hours

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A developer participating in the H0: Hack the Zero Stack hackathon built and deployed a global opinion platform called Groundswell within 72 hours. The project ran into significant technical setbacks, including three hours lost debugging a database connection issue rooted in a misunderstanding of how Aurora DSQL differs from standard PostgreSQL. Additional challenges arose from planning around database tables that did not yet exist and underestimating the complexity of handling concurrent writes alongside relational reads. On the positive side, integrating AWS Bedrock for AI-generated questions proved straightforward, and provisioning databases via the Vercel Marketplace took only minutes with automatic environment variable injection. The developer described the costly mistakes as ultimately valuable learning experiences from the rapid build process.

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