BEGINNER • Node and Express Starter

Security Drill for payments status gateway #9

This lesson targets enforce strict input validation in a realistic payments status gateway workflow. You will practice commands: npm init -y | npm run dev | node server.js. 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.