Express.js in Production: Structure, Error Handling and Security
How to run Express.js in production: separate the app from the server, layer the code, centralize error handling and set a helmet-based security baseline.
14 min read
Tag
nodejs
NestJS vs Express vs Fastify: Choosing by Team Size and Structure
A framework comparison of NestJS vs Express vs Fastify: how each works, structure vs flexibility trade-offs, cost, testing, migration, and which teams each fits.
14 min read
Node.js Event Loop for Backend Engineers: Latency, Not Diagrams
How the Node.js event loop and libuv threadpool work, how blocking shows up as p99 latency, how to measure it, and when to use workers or processes.
13 min read
NestJS Architecture: Modules, Providers and Dependency Injection
Learn how NestJS architecture works as a module-scoped DI container: providers, tokens, scopes, dynamic modules, circular dependencies and testable layouts.
14 min read
Fastify vs Express: Choosing a Node.js Web Framework in Practice
Compare Fastify vs Express by architecture: request lifecycle, schema validation, plugins vs Express middleware, error handling, cost and migration.
14 min read
Bun vs Node.js for Servers: Compatibility, Speed and Migration
Compare Bun vs Node.js for server workloads: engine differences, compatibility risks, honest benchmarking, operations tooling and a staged migration plan.
16 min read
Dockerfile Best Practices for Small, Fast, Secure Node.js and Java Images
Build small, fast, secure Node.js and Java images with multi-stage builds, cache-aware layer order, pinned minimal bases and a non-root user.
15 min read
NestJS Microservices: Transports, Message Patterns and Hybrid Apps
Build NestJS microservices: pick a transport, design message contracts, use send() vs emit(), handle errors and retries, and run hybrid HTTP apps.
14 min read