Željko Šević's Blog

Documenting REST APIs with OpenAPI specs (NestJS/Swagger)

Mar 29, 20233 min read

OpenAPI is a language-agnostic specification for declaring API documentation for REST APIs. It contains the following information: API information...

State management with Next.js and React

Mar 8, 20232 min read

The global state can be helpful when components share some common parts. Also, some parts can stay persistent (in local storage) and be used in the...

Postgres and Redis container services for e2e tests in GitHub actions

Mar 7, 20231 min read

End-to-end tests should use a real database connection, and provisioning container service for the Postgres database can be automated using GitHub...

Redis as custom storage for NestJS rate limiter

Mar 5, 20232 min read

A rate limiter is a standard protection technique against brute force and DDoS attacks. NestJS provides a module for it, and the default storage is...

Deploying Node.js apps to Heroku

Mar 4, 20233 min read

This post covers the main notes from setting up the Heroku CLI tool to CI/CD pipeline with Github actions. Prerequisites Run the following command to...

Logging practices

Mar 3, 20231 min read

This post covers some logging practices for the back-end (Node.js) apps. Avoid putting unique identifiers (e.g., user id) within the message. A...