api-backend

Mot du an production-ready

Day la monorepo backend chinh cua website portfolio + e-commerce cua toi. Tech stack gom co:

• NestJS + Express + TypeScript
• Prisma + PostgreSQL
• Redis cho cache + rate-limit
• WebSocket cho messaging thoi gian thuc
• Docker Compose de deploy

Bai hoc rut ra

• Rate limit nen dat o Nginx + app - khong chi o mot cho. Dat ca hai giup giam tai cho backend.
• Tach service + controller - service chua business logic thuan, controller chi parse request. De test hon rat nhieu.
• Prisma transaction quan trong - mot so flow (tao repo + tag join) can transaction de tranh race condition.

Repo nay dang chay tren VPS that va xu ly traffic that, khong phai demo.