Live-coding demo
summary
Live demo shows a backend built in a Redux mental model: GraphQL mutations act like dispatches, serverless functions act as serverless reducers that sanitize or update rows in a Postgres table, and UI components get real-time state via GraphQL subscriptions. Deployed pieces use Glitch, Heroku, a Hasura/tesora GraphQL layer and Hazara tooling. The dangerous tweets app and a food-ordering flow run end-to-end, handle 1,000 simultaneous orders, and tolerate a simulated network failure.
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chapters (5)
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