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42 entries

2026-07-25 nodejs reliability resilience

Node.js Production Engineering 21 — Reliability và Overload Control

Giữ service ổn định khi dependency chậm hoặc traffic tăng: deadline, cancellation, concurrency budget, load shedding, retry, circuit breaker và graceful shutdown.
2026-07-25 nodejs streams backpressure

Node.js Production Engineering 22 — Streams, Backpressure và Data Pipelines

Xử lý upload, export và transform dữ liệu lớn với memory hữu hạn: stream.pipeline, highWaterMark, abort, size limit, integrity, cleanup và observability.
2026-07-25 nodejs diagnostics performance

Node.js Production Engineering 23 — Production Diagnostics và Incident Playbook

Điều tra Node.js bằng evidence: event-loop delay, CPU profile, heap snapshot, RSS/native memory, diagnostic report, trace correlation và controlled experiment.
2026-07-25 nodejs multi-tenancy postgresql

Node.js Production Engineering 24 — Kiến trúc Multi-tenant SaaS

Cô lập tenant xuyên HTTP, PostgreSQL RLS, cache, queue và object storage; kiểm soát authorization, noisy neighbor, migration, audit và incident response.
2026-07-25 nodejs capstone system-design

Node.js Production Engineering 26 — Production Game Day Capstone

Ghép toàn series thành Order Platform thực tế: invariant, API, PostgreSQL, payment webhook, outbox, stream export, overload, observability, rollout và incident drills.
2026-07-25 nodejs webhooks payments

Node.js Production Engineering 25 — Webhook, Payment và Idempotency

Xử lý webhook đáng tin cậy: raw-body signature, replay defense, inbox, duplicate/out-of-order event, payment state machine, reconciliation và audit.
2026-07-17 nestjs typescript backend

NestJS Zero to Hero 01 — Mental Model, Setup và API đầu tiên

Hiểu NestJS giải quyết bài toán gì, dựng TaskFlow API bằng NestJS 11 và TypeScript strict, rồi lần theo một request từ bootstrap tới controller.
2026-07-07 cli nodejs npm

Command Line cho Developer · Part 8 - Node, npm, pnpm & Package Scripts

Workflow Node/package manager trong terminal: node/npm/pnpm version, corepack, npm run, pnpm exec/dlx, npm ci, frozen lockfile, env vars, npm ls và pnpm why.
2026-07-01 typescript esm nodejs

TypeScript Production · Phần 15 — ESM, CJS & Module Resolution

Hiểu runtime module trước compiler: NodeNext vs Bundler, package type/exports, import type, file extension, dual-package hazard và cách debug resolution.
2026-06-22 nodejs queue bullmq

Node.js Production Engineering 16 — Background Jobs và Message Queues

Thiết kế background jobs có thể vận hành: BullMQ, delivery semantics, idempotency, transactional outbox, retry có jitter, dead-letter workflow, backpressure và graceful shutdown.
2026-06-22 nodejs graphql api

Node.js Production Engineering 17 — GraphQL trong Production

Thiết kế GraphQL như một API contract: schema, resolver lifecycle, nullability, DataLoader, cursor pagination, authorization, query-cost control, schema evolution và observability.
2026-06-22 nodejs websockets sse

Node.js Production Engineering 19 — Thiết kế Realtime Systems

Chọn polling, SSE hay WebSocket từ product contract; triển khai delivery, reconnect, authentication, presence, backpressure, scale-out và graceful draining với Node.js.
2026-06-22 nodejs microservices grpc

Node.js Production Engineering 18 — Từ Modular Monolith đến Microservices

Tách service có kiểm soát: bounded context, data ownership, gRPC/Protobuf, deadline propagation, retry budget, outbox, saga, mTLS, observability và chiến lược migration.
2026-06-22 nodejs observability opentelemetry

Node.js Production Engineering 20 — Observability, SLO và OpenTelemetry

Xây observability từ user journey: SLI/SLO, error budget, structured logs, metrics cardinality, distributed traces, sampling, Collector topology và incident workflow.
2026-06-18 yarn package-managers lockfile

Node Package Managers · Part 3 — Yarn Classic (v1)

What Yarn v1 fixed about 2016-era npm: deterministic installs, the yarn.lock format, parallel fetching and offline cache — and why it is now frozen in maintenance mode.
2026-06-17 npm package-managers nodejs

Node Package Managers · Part 2 — npm in Depth

The default package manager, demystified: package-lock.json anatomy, hoisting and phantom dependencies, npm ci vs npm install, lifecycle scripts, npx, .npmrc and scoped registries.
2026-06-16 package-managers npm semver

Node Package Managers · Part 1 — The Mental Model

What a package manager actually does under npm install — resolve, fetch, link — plus package.json, semver ranges, the registry, and why the lockfile is the most important file in your repo.
2026-06-10 nodejs redis caching

Node.js Production Engineering 13 — Redis beyond Cache

Dùng Redis 8 có chủ đích: cache consistency, stampede control, Pub/Sub và Streams, rate limit atomic, distributed lock với fencing, session, BullMQ và vận hành production.
2026-06-10 nodejs nestjs architecture

Node.js Production Engineering 14 — NestJS dưới Góc nhìn Kiến trúc

Thiết kế NestJS 11 như một runtime kiến trúc: module boundary, DI scope, request lifecycle, validation, policy guard, interceptor, error contract, Prisma 7, testing và graceful shutdown.
2026-06-10 nodejs authentication security

Node.js Production Engineering 15 — Identity Architecture với JWT và OIDC

Thiết kế identity cho Node.js production: threat model, JWT validation, access/refresh token, atomic token-family rotation đa thiết bị, cookie/BFF, OIDC Authorization Code với state, nonce, PKCE và authorization theo resource.
2026-06-09 nodejs event-loop async

Node.js Production Engineering 01 — V8, libuv và Event Loop

Hiểu đường đi của một tác vụ qua V8, libuv và event loop; từ đó kiểm soát concurrency, stream, worker thread, bộ nhớ và độ trễ production.
2026-06-09 nodejs express middleware

Node.js Production Engineering 03 — Express 5 và Request Pipeline

Thiết kế Express 5 như một request pipeline có thứ tự, validation boundary, error contract, proxy trust và graceful shutdown kiểm chứng được.
2026-06-09 nodejs http api-contract

Node.js Production Engineering 02 — HTTP từ Wire đến API Contract

Theo một HTTP request từ wire tới Node.js handler, rồi thiết kế API contract có giới hạn, timeout, cache, streaming, CORS và graceful shutdown rõ ràng.
2026-06-09 nodejs database data-architecture

Node.js Production Engineering 04 — Thiết kế Data Layer

Thiết kế data layer đúng khi có concurrency: query shape, index, pool, transaction, pagination, repository, MongoDB và cache contract cho API.
2026-06-09 nodejs design-patterns architecture

Node.js Production Engineering 06 — Patterns cho Codebase lớn

Thiết kế ranh giới module, dependency injection, transaction, cache, queue và resilience để codebase Node.js tiếp tục thay đổi an toàn khi sản phẩm và đội ngũ cùng lớn lên.
2026-06-09 nodejs authentication api-security

Node.js Production Engineering 05 — Authentication và API Security

Thiết kế authentication và API security theo threat model: password hashing, session/JWT, cookie, OAuth/OIDC, authorization và defense-in-depth.
2026-06-09 nodejs performance profiling

Node.js Production Engineering 08 — Đo và Tối ưu Hiệu năng

Xây quy trình tối ưu Node.js dựa trên SLO, workload, percentile, profiling, event-loop health, query plan, worker pool, cache, memory và capacity thay vì phỏng đoán.
2026-06-09 nodejs testing testcontainers

Node.js Production Engineering 09 — Chiến lược Kiểm thử

Thiết kế test portfolio theo rủi ro cho domain, HTTP, database, contract, dependency failure, concurrency và migration; đồng thời kiểm soát coverage, flakiness và thời gian phản hồi CI.
2026-06-09 nodejs devops docker

Node.js Production Engineering 07 — Đưa Service lên Production

Biến source code thành một service vận hành được: image bất biến, config và secret, probe, graceful shutdown, migration, rollout, rollback, CI/CD và quan sát deployment.
2026-06-09 nodejs architecture modular-monolith

Node.js Production Engineering 10 — Kiến trúc có Khả năng Tiến hóa

Thiết kế modular monolith theo bounded context, giữ dependency rule bằng fitness function, ghi ADR và chỉ dùng outbox, saga, CQRS hay microservice khi constraint đòi hỏi.
2026-06-09 nodejs prisma orm

Node.js Production Engineering 12 — Prisma 7 trong Production

Prisma ORM 7 từ cấu hình ESM, generated client và driver adapter tới migration an toàn, query có kiểm soát, transaction giữ invariant, pooling, observability và test production.
2026-06-09 nodejs postgresql database

Node.js Production Engineering 11 — PostgreSQL Chuyên sâu

Thiết kế PostgreSQL 18 cho production: invariant trong schema, index theo workload, đọc EXPLAIN, transaction đúng khi đồng thời, keyset pagination, pooling, MVCC và vận hành từ Node.js.
2024-06-03 networking sockets nodejs

Network Programming · Part 10 — Robust Networking: Errors, Retries & Debugging

Capstone: treat the network as unreliable — socket error codes, mandatory error handlers, timeouts at every layer, retries with backoff & jitter, reconnecting clients, and a layered debugging toolkit with Node.js + TypeScript.
2024-05-27 networking sockets nodejs

Network Programming · Part 9 — Concurrency & Scaling Network Servers

How Node handles thousands of connections on one thread, scaling with cluster and worker_threads, load balancers, timeouts, keep-alive, graceful shutdown, and client pooling — bilingual with TypeScript examples.
2024-05-20 networking sockets nodejs

Network Programming · Part 8 — Streams, Backpressure & Message Framing

TCP is a byte stream with no message boundaries — learn delimiter vs length-prefix framing, stateful decoders, and backpressure with socket.write() and drain in Node.js + TypeScript, bilingual.
2024-05-13 networking sockets nodejs

Network Programming · Part 7 — TLS & HTTPS: Encrypting the Wire

Why plaintext HTTP is unsafe, how TLS encrypts and authenticates, the handshake, certificates, self-signed dev certs, node:tls and node:https servers — bilingual with runnable TypeScript examples.
2024-05-06 networking sockets nodejs

Network Programming · Part 6 — WebSockets & Real-Time Communication

WebSockets for real-time push: HTTP limits, the upgrade handshake, ws server + client in Node.js + TypeScript, heartbeats, and when to use SSE/polling instead — bilingual with exercises.
2024-04-29 networking sockets nodejs

Network Programming · Part 5 — HTTP From the Socket Up

HTTP is text over TCP: raw request/response anatomy, a minimal socket responder, node:http createServer, reading bodies, Content-Length vs chunked, keep-alive — bilingual with runnable TypeScript examples.
2024-04-22 networking sockets nodejs

Network Programming · Part 4 — DNS & Addressing: From Names to IPs

How DNS turns hostnames into IP addresses, the resolution chain from your app to authoritative servers, Node.js dns.lookup vs dns.resolve, record types, TTL caching, and dual-stack IPv4/IPv6 — bilingual, with runnable TypeScript examples.
2024-04-15 networking sockets nodejs

Network Programming · Part 3 — UDP & Datagrams: Fast and Connectionless

UDP for Node.js + TypeScript: connectionless datagrams with node:dgram, when UDP beats TCP, the 65507-byte limit, no backpressure, and beginner pitfalls — bilingual, with runnable examples.
2024-04-08 networking sockets nodejs

Network Programming · Part 2 — TCP Sockets: A Reliable Byte Stream

Open real TCP sockets in Node.js: the three-way handshake, echo server + client with createServer/createConnection, socket events, graceful close, and common pitfalls — bilingual with exercises.
2024-04-01 networking sockets nodejs

Network Programming · Part 1 — Fundamentals: How Data Actually Travels

The mental model every network programmer needs: the TCP/IP layers, IP addresses & ports, packets, and the client/server model — with a tiny Node.js + TypeScript demo, bilingual, plus exercises.