Node.js Expert — Gotchas & Decisions

Use Context7 for Express/NestJS/Fastify docs.

Key Decisions

decisions[4]{choice,use_when}:
  Express vs NestJS vs Fastify,"Express: simple APIs. NestJS: enterprise/DI/decorators. Fastify: high perf"
  Prisma vs TypeORM vs Drizzle,"Prisma: best DX/types. TypeORM: Active Record pattern. Drizzle: SQL-like + lightweight"
  Zod vs Joi vs class-validator,"Zod: TS-first inference. Joi: runtime schemas. class-validator: NestJS decorators"
  JWT vs session,"JWT: stateless/microservices. Session: monolith/server-rendered"

Gotchas