https://blog.dhirajroy.com Backend, AI, and programming blogs by Dhiraj Roy. en-us Mon, 04 May 2026 23:05:39 GMT Mon, 04 May 2026 23:05:39 GMT https://blog.dhirajroy.com/post/nodejs-jwt-auth https://blog.dhirajroy.com/post/nodejs-jwt-auth Mon, 04 May 2026 18:30:00 GMT Learn Node.js JWT Authentication from scratch. Master secure tokens, refresh flows, and build production-ready secure backend APIs. Node.js Backend Security https://blog.dhirajroy.com/post/spring-boot-rest-api-java-21-production-setup https://blog.dhirajroy.com/post/spring-boot-rest-api-java-21-production-setup Mon, 04 May 2026 18:30:00 GMT Learn how to build a production-ready Spring Boot 3 REST API using Java 21, virtual threads, record classes, and modern backend architecture. Java Spring Boot Backend https://blog.dhirajroy.com/post/what-is-backend https://blog.dhirajroy.com/post/what-is-backend Thu, 23 Apr 2026 18:30:00 GMT Understand what backend development really is — servers, APIs, databases, authentication, and how all the pieces fit together to power every app you use. Backend Education Roadmap https://blog.dhirajroy.com/post/nodejs-backend-development-production-api https://blog.dhirajroy.com/post/nodejs-backend-development-production-api Thu, 23 Apr 2026 18:30:00 GMT Learn Node.js backend development from scratch. Master Express.js, async programming, and build a production-ready REST API. Complete 2026 developer guide. Node.js backend Tech Programming https://blog.dhirajroy.com/post/docker-complete-guide https://blog.dhirajroy.com/post/docker-complete-guide Tue, 21 Apr 2026 18:30:00 GMT Master Docker end-to-end — containers vs VMs, Dockerfiles, volumes, networking, Docker Compose, multi-stage builds, and production best practices. Backend Tech Productivity https://blog.dhirajroy.com/post/git-and-github-complete-guide https://blog.dhirajroy.com/post/git-and-github-complete-guide Tue, 21 Apr 2026 18:30:00 GMT Master Git and GitHub end-to-end — version control fundamentals, essential commands, branching strategies, pull requests, and CI/CD workflows used in real teams. Backend Tech Productivity https://blog.dhirajroy.com/post/spring-boot-getting-started https://blog.dhirajroy.com/post/spring-boot-getting-started Tue, 14 Apr 2026 18:30:00 GMT A hands-on guide to Spring Boot — project setup, key annotations, controllers, and a working REST API in under 30 minutes. Java Spring Boot Backend