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A collection of 4 posts
Photo by NEOM / Unsplash
Node.js

Read environment variables in a Node.js application

This post shows how to load and read environment variables in a Node.js application written in JavaScript first and then in TypeScript. We will see how to validate the environment variables at the application launch.
Feb 6, 2025 7 min read
Photo by fabio / Unsplash
Spring Boot

Implement Role-based Access Control in Spring Boot 3

This post shows how to implement a Role Based Access Control in a Spring Boot 3 application using Spring Security to ensure only authorized users with a specific role can access a resource.
Oct 26, 2024 10 min read
Photo by NEOM / Unsplash
Spring Boot

Implement JWT authentication in a Spring Boot 3 application

Learn how to enhance the security of your Spring Boot 3 application by implementing JSON Web Token (JWT) authentication. Explore the fundamentals of JWT and step-by-step integration in this comprehensive guide.
Mar 5, 2024 16 min read
Photo by James Sutton / Unsplash
Next.js

Protect your Next.js API routes with middleware

In this post, we will use the Next.js middleware feature to secure the API routes of a web application. Middleware has been released in Next.js 12
Jul 28, 2024 7 min read
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