Node.js SME Cookbook

Sections

Node.js Core & Runtime

Node.js Basics How Node.js Works Installing & Version Management Node.js Release & LTS Policy The REPL & Quick Experiments Reading the Official Docs & Diagnostics Node.js Fundamentals Best Practices

Event Loop Basics libuv Phases Microtasks vs Macrotasks async/await in Node Event Loop Best Practices

Modules Basics CommonJS (`require`)ES Modules (`import`)package.json `"type"` & `exports`Modules Best Practices

TypeScript in Node Basics tsx vs tsc vs ts-node Typing Express/Fastify Handlers Zod at Boundaries TypeScript in Node Best Practices

Buffers Basics Text Encodings Buffers Best Practices

Streams Basics Readable & Writable Patterns Transform & Duplex stream/promises.pipeline Streams Best Practices

EventEmitter Basics Memory Leaks from Listeners Events Best Practices

Processes Basics child_process worker_threads Processes Best Practices

Built-in APIs Basics path and url Timers and Scheduler fs and fs/promises util and diagnostics crypto os and process Built-in APIs Best Practices

Tooling, Packages & Quality

Package Managers Basics package.json Scripts Lockfiles & Reproducible Installs Workspaces & Monorepos Package Managers Best Practices

Project Setup Basics Scaffolding APIs Turborepo for Node Project Setup Best Practices

Linting Basics Prettier Integration Typecheck in CI Import Boundaries Linting Best Practices

Testing Basics node:test & node:assert Vitest Supertest & HTTP Integration Testing Best Practices

Node Project Rules Checklist Async & Event Loop Rules Security Rules Dependency Rules Logging & Observability Rules API Rules Node.js Rules Best Practices

Architecture & System Design

Architecture & Design Basics Hexagonal Architecture in Node Architecture Best Practices

Configuration Basics Zod & env-schema Validation dotenv vs Platform Inject Configuration Best Practices

Modularity Basics Dependency Injection Patterns Use Cases & Services Modularity Best Practices

API Design Basics OpenAPI & Swagger Error Response Standards Pagination & Filtering API Design Best Practices

Debugging Basics Memory Leak Hunt Promise That Never Settles Event-Loop Stall Incident Debugging Best Practices

HTTP, Frameworks & Real-Time

HTTP Basics in Node Routing Without Frameworks Middleware Pattern Keep-Alive & Connection Limits HTTP Fundamentals Best Practices

Express Basics Error Handling in Express Security Middleware Express Best Practices

Fastify Basics JSON Schema Validation Fastify Plugins Logging with Pino Fastify Best Practices

NestJS Basics Dependency Injection Guards, Interceptors & Pipes NestJS + Prisma/TypeORM NestJS Best Practices

Hono Basics Hono on Node vs Edge Koa & Polka Lightweight Frameworks Best Practices

Real-Time Basics ws Library Server-Sent Events Real-Time Best Practices

Data, Auth & Integration

Databases Basics node-postgres (`pg`)Drizzle ORM Databases Best Practices

Caching Basics ioredis Caching Best Practices

Queues Basics BullMQ AWS SQS Consumers Queues Best Practices

Auth Basics JWT Access + Refresh OAuth2/OIDC Auth Best Practices

Integrations Basics Webhook Verification Retry & Outbound Resilience Stripe, Twilio & SDK Patterns Integrations Best Practices

Performance, Security & Observability

Performance Basics clinic.js Suite Performance Best Practices

Security Basics OWASP Top 10 for APIs Prototype Pollution SSRF Guards Security Best Practices

Logging Basics pino Request Correlation IDs Logging Best Practices

Observability Basics OpenTelemetry Node SDK Observability Best Practices

Resilience Basics Timeouts Everywhere Resilience Best Practices

Deployment, Platforms & Operations

Docker Basics Multi-Stage Builds Distroless & Alpine Trade-offs Non-Root Containers Docker Best Practices

Serverless Basics Lambda Handler Patterns @aws-sdk v3 Serverless Best Practices

CI/CD Basics GitHub Actions for Node Quality Gates CI/CD Best Practices

Platform Deploy Basics ConfigMaps & Secrets Platform Deploy Best Practices

Runtime Ops Basics Graceful Shutdown PM2 & systemd Runtime Ops Best Practices

Ecosystem & Team

Essential Libraries Basics zod pino date-fns / Luxon bullmq / ioredis Essential Libraries Best Practices

Agent Skills Basics API Scaffold Skill Queue Worker Skill Node Upgrade Skill Agent Skills Best Practices

Git Basics for Node Teams GitHub Actions Integration Git & GitHub Best Practices

CLI Basics for Node Process Inspection Linux CLI Best Practices

Onboarding Basics Frontend → Node Path Skills Matrix Team & Onboarding Best Practices

Tech-Lead Craft

Incident Basics OOM Killer Response Incident Response Best Practices

Delivery Basics Enterprise Delivery Best Practices

Tech Lead Basics on Node ADR: Framework Selection Code Review Standards Mentoring Junior Node Devs Technical Leadership Best Practices

Product Collaboration Basics Prioritizing Tech Debt Stakeholder Communication Working with Product Best Practices

Reference: B2B SaaS API Reference: Worker Fleet Reference: Internal CLI Tool Case Studies Best Practices

Governance Basics Coding Standards Governance Best Practices

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Node.js SME Cookbook

From the event loop and ESM modules through Express, Fastify, NestJS, queues, observability, and deployment — what every Node.js specialist should know.

7 pages

Node.js Basics, How Node.js Works, Installing & Version Management, Node.js Release & LTS Policy, The REPL & Quick Experiments, ...

5 pages

Event Loop Basics, libuv Phases, Microtasks vs Macrotasks, async/await in Node, Event Loop Best Practices

5 pages

Modules Basics, CommonJS (`require`), ES Modules (`import`), package.json `"type"` & `exports`, Modules Best Practices

TypeScript in Node

5 pages

TypeScript in Node Basics, tsx vs tsc vs ts-node, Typing Express/Fastify Handlers, Zod at Boundaries, TypeScript in Node Best Practices

Buffers & Encoding

3 pages

Buffers Basics, Text Encodings, Buffers Best Practices

5 pages

Streams Basics, Readable & Writable Patterns, Transform & Duplex, stream/promises.pipeline, Streams Best Practices

3 pages

EventEmitter Basics, Memory Leaks from Listeners, Events Best Practices

Processes & Workers

4 pages

Processes Basics, child_process, worker_threads, Processes Best Practices

8 pages

Built-in APIs Basics, path and url, Timers and Scheduler, fs and fs/promises, util and diagnostics, crypto, os and process, Built-in APIs Best Practices

Package Managers

5 pages

Package Managers Basics, package.json Scripts, Lockfiles & Reproducible Installs, Workspaces & Monorepos, Package Managers Best Practices

4 pages

Project Setup Basics, Scaffolding APIs, Turborepo for Node, Project Setup Best Practices

Linting & Formatting

5 pages

Linting Basics, Prettier Integration, Typecheck in CI, Import Boundaries, Linting Best Practices

5 pages

Testing Basics, node:test & node:assert, Vitest, Supertest & HTTP Integration, Testing Best Practices

7 pages

Node Project Rules Checklist, Async & Event Loop Rules, Security Rules, Dependency Rules, Logging & Observability Rules, API Rules, Node.js Rules Best Practices

Architecture & Design

3 pages

Architecture & Design Basics, Hexagonal Architecture in Node, Architecture Best Practices

4 pages

Configuration Basics, Zod & env-schema Validation, dotenv vs Platform Inject, Configuration Best Practices

4 pages

Modularity Basics, Dependency Injection Patterns, Use Cases & Services, Modularity Best Practices

5 pages

API Design Basics, OpenAPI & Swagger, Error Response Standards, Pagination & Filtering, API Design Best Practices

5 pages

Debugging Basics, Memory Leak Hunt, Promise That Never Settles, Event-Loop Stall Incident, Debugging Best Practices

HTTP Fundamentals

5 pages

HTTP Basics in Node, Routing Without Frameworks, Middleware Pattern, Keep-Alive & Connection Limits, HTTP Fundamentals Best Practices

4 pages

Express Basics, Error Handling in Express, Security Middleware, Express Best Practices

5 pages

Fastify Basics, JSON Schema Validation, Fastify Plugins, Logging with Pino, Fastify Best Practices

5 pages

NestJS Basics, Dependency Injection, Guards, Interceptors & Pipes, NestJS + Prisma/TypeORM, NestJS Best Practices

Hono & Lightweight

4 pages

Hono Basics, Hono on Node vs Edge, Koa & Polka, Lightweight Frameworks Best Practices

4 pages

Real-Time Basics, ws Library, Server-Sent Events, Real-Time Best Practices

4 pages

Databases Basics, node-postgres (`pg`), Drizzle ORM, Databases Best Practices

Caching & Redis

3 pages

Caching Basics, ioredis, Caching Best Practices

Queues & Workers

4 pages

Queues Basics, BullMQ, AWS SQS Consumers, Queues Best Practices

4 pages

Auth Basics, JWT Access + Refresh, OAuth2/OIDC, Auth Best Practices

5 pages

Integrations Basics, Webhook Verification, Retry & Outbound Resilience, Stripe, Twilio & SDK Patterns, Integrations Best Practices

3 pages

Performance Basics, clinic.js Suite, Performance Best Practices

5 pages

Security Basics, OWASP Top 10 for APIs, Prototype Pollution, SSRF Guards, Security Best Practices

4 pages

Logging Basics, pino, Request Correlation IDs, Logging Best Practices

3 pages

Observability Basics, OpenTelemetry Node SDK, Observability Best Practices

3 pages

Resilience Basics, Timeouts Everywhere, Resilience Best Practices

5 pages

Docker Basics, Multi-Stage Builds, Distroless & Alpine Trade-offs, Non-Root Containers, Docker Best Practices

4 pages

Serverless Basics, Lambda Handler Patterns, @aws-sdk v3, Serverless Best Practices

4 pages

CI/CD Basics, GitHub Actions for Node, Quality Gates, CI/CD Best Practices

Platform Deploy

3 pages

Platform Deploy Basics, ConfigMaps & Secrets, Platform Deploy Best Practices

4 pages

Runtime Ops Basics, Graceful Shutdown, PM2 & systemd, Runtime Ops Best Practices

Essential Libraries

6 pages

Essential Libraries Basics, zod, pino, date-fns / Luxon, bullmq / ioredis, Essential Libraries Best Practices

5 pages

Agent Skills Basics, API Scaffold Skill, Queue Worker Skill, Node Upgrade Skill, Agent Skills Best Practices

3 pages

Git Basics for Node Teams, GitHub Actions Integration, Git & GitHub Best Practices

3 pages

CLI Basics for Node, Process Inspection, Linux CLI Best Practices

Team & Onboarding

4 pages

Onboarding Basics, Frontend → Node Path, Skills Matrix, Team & Onboarding Best Practices

Incident Response

3 pages

Incident Basics, OOM Killer Response, Incident Response Best Practices

Enterprise Delivery

2 pages

Delivery Basics, Enterprise Delivery Best Practices

Technical Leadership

5 pages

Tech Lead Basics on Node, ADR: Framework Selection, Code Review Standards, Mentoring Junior Node Devs, Technical Leadership Best Practices

Product & Stakeholders

4 pages

Product Collaboration Basics, Prioritizing Tech Debt, Stakeholder Communication, Working with Product Best Practices

4 pages

Reference: B2B SaaS API, Reference: Worker Fleet, Reference: Internal CLI Tool, Case Studies Best Practices

3 pages

Governance Basics, Coding Standards, Governance Best Practices