Posts about Express.js

• About the Node.js series

  Node.js Feb 7, 2022

  In a series of blog posts, I'm going to describe an opinionated Node.js microservice architecture. Let me tell you about the why, what and how of this series.

  • Node.js
  • TypeScript
  • Express.js

• Organizing Express.js endpoints

  Node.js Feb 9, 2022

  Learn how to organize the endpoints in a TypeScript Express.js service. Why a REST resource should have its own DAO and why you don't need three layers.

  • Node.js
  • TypeScript
  • Express.js

• Testing Express.js endpoints with supertest

  Node.js Feb 11, 2022

  Learn to write Jest unit tests with supertest to test Express.js controllers in a TypeScript Node.js service.

  • Node.js
  • TypeScript
  • Express.js
  • Jest

• OpenAPI input validation in Express.js

  Node.js Feb 16, 2022

  Learn how to validate inputs with an OpenAPI spec in a TypeScript Express.js service. Write tests for the input validation and return meaningful HTTP errors.

  • Node.js
  • Express.js
  • TypeScript
  • OpenAPI

• JSON Logging with Pino in Express.js

  Node.js Mar 10, 2022

  Learn how to add the JSON Pino logger into a TypeScript Express.js service. Log HTTP requests automatically, avoid logging in tests and prettify the JSON logs.

  • Node.js
  • Express.js
  • TypeScript
  • Pino

• JWT authentication with JWKS in Express.js

  Node.js Apr 2, 2022

  Learn how to implement JWT authentication with JWKS in a TypeScript Express.js service. How to disable auth locally and suppress tokens in production logs.

  • Node.js
  • TypeScript
  • Express.js
  • JWT
  • Pino

• Single schema multi-tenancy in Node.js with Postgres

  Node.js May 21, 2022

  Learn to do multi-tenancy in a single Postgres schema in a TypeScript Node.js app. Avoid performance overhead while minimizing the risk of data exposure.

  • Node.js
  • TypeScript
  • Express.js
  • Knex
  • Postgres
  • JWT

• Organizing and testing HTTP requests

  Node.js May 24, 2022

  Learn to send HTTP requests with Axios in a TypeScript Node.js service. How to mock responses in local development and tests with Jest, mockserver and supertest.

  • Node.js
  • TypeScript
  • Express.js
  • Axios
  • Jest

• Axios HTTP error handling in Express.js

  Node.js May 26, 2022

  Don't catch all exceptions! Learn to handle erroneous HTTP responses of Axios with an Express.js handler returning a 500 and logging an error.

  • Node.js
  • TypeScript
  • Express.js
  • Axios
  • Pino