ADVANCED • Integrations and Messaging

Endpoint Design Lab for e-commerce checkout backend #11

This lesson targets increase test confidence in a realistic e-commerce checkout backend workflow. You will practice commands: docker compose up -d | prom-client register.metrics() | webhook signature verification. The code example is specific to backend API engineering tasks for this lesson objective.

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If this never completes: start PostgreSQL, check DATABASE_URL and DIRECT_URL in .env, run npx prisma db push. Optional: set SKIP_RUNTIME_CATALOG_SEED=1 to skip heavy catalog seed while debugging.