https://shubhambhati.is-a.dev/blog/ Java, Spring Boot, MySQL, microservices, AI integration — practical write-ups by Shubham Bhati. en-us https://shubhambhati.is-a.dev/blog/spring-security-jwt-tutorial/ https://shubhambhati.is-a.dev/blog/spring-security-jwt-tutorial/ 2026-05-17T00:00:00Z We've all been there - stuck with a Spring Boot application that's struggling to scale due to poor authentication mechanisms. In our experience, implementing token-based authentication using Spring Se... https://shubhambhati.is-a.dev/blog/spring-data-jpa-advanced-queries/ https://shubhambhati.is-a.dev/blog/spring-data-jpa-advanced-queries/ 2026-05-17T00:00:00Z We've all been there - stuck with a complex query in our Spring Boot application, trying to figure out how to use Spring Data JPA to fetch the required data. I recall a recent production issue where w... https://shubhambhati.is-a.dev/blog/spring-cloud-gateway-tutorial/ https://shubhambhati.is-a.dev/blog/spring-cloud-gateway-tutorial/ 2026-05-17T00:00:00Z We've all been there - trying to manage a plethora of microservices, each with its own API endpoint, and struggling to keep track of the complex routing rules. In our production environment, we saw a... https://shubhambhati.is-a.dev/blog/spring-boot-testing-strategies/ https://shubhambhati.is-a.dev/blog/spring-boot-testing-strategies/ 2026-05-17T00:00:00Z In our production environment, we've seen firsthand the impact of inadequate testing on a Spring Boot application. A recent incident where a minor change caused a cascading failure, resulting in a 30-... https://shubhambhati.is-a.dev/blog/spring-boot-rest-api-best-practices-2026/ https://shubhambhati.is-a.dev/blog/spring-boot-rest-api-best-practices-2026/ 2026-05-17T00:00:00Z We've all been there - stuck with a slow and unresponsive Spring Boot REST API in production, wondering where it all went wrong. Recently, we encountered a similar issue with one of our APIs, where th... https://shubhambhati.is-a.dev/blog/spring-boot-openai-integration/ https://shubhambhati.is-a.dev/blog/spring-boot-openai-integration/ 2026-05-17T00:00:00Z We've all been there - trying to integrate a cutting-edge AI model like OpenAI into our Spring Boot application, only to hit a roadblock. As we worked on our latest project, we realized that a seamles... https://shubhambhati.is-a.dev/blog/spring-boot-microservices-docker-deployment/ https://shubhambhati.is-a.dev/blog/spring-boot-microservices-docker-deployment/ 2026-05-17T00:00:00Z We've all been there - stuck with a Spring Boot application that's difficult to deploy and manage in production. As backend engineers, we know that containerization is key to solving this problem. Tha... https://shubhambhati.is-a.dev/blog/saga-pattern-distributed-transactions/ https://shubhambhati.is-a.dev/blog/saga-pattern-distributed-transactions/ 2026-05-17T00:00:00Z We've all been there - a user places an order, and our system fails to update the inventory, resulting in inconsistent data across microservices. This is where the saga pattern microservices come into... https://shubhambhati.is-a.dev/blog/rest-api-versioning-strategies/ https://shubhambhati.is-a.dev/blog/rest-api-versioning-strategies/ 2026-05-17T00:00:00Z As backend engineers, we've all been there - trying to decide on a REST API versioning strategy that works for our application. I recall a particularly painful experience where we had to roll back a p... https://shubhambhati.is-a.dev/blog/redis-caching-spring-boot/ https://shubhambhati.is-a.dev/blog/redis-caching-spring-boot/ 2026-05-17T00:00:00Z We've all been there - staring at a slow-loading dashboard, wondering why our carefully crafted Spring Boot application is taking an eternity to respond. As backend engineers, we know that caching is... https://shubhambhati.is-a.dev/blog/rabbitmq-spring-boot-tutorial/ https://shubhambhati.is-a.dev/blog/rabbitmq-spring-boot-tutorial/ 2026-05-17T00:00:00Z In our production environment, we've seen firsthand how a well-designed messaging system can make all the difference in handling high volumes of requests. Recently, we integrated RabbitMQ with our Spr... https://shubhambhati.is-a.dev/blog/mysql-vs-postgresql-spring-boot/ https://shubhambhati.is-a.dev/blog/mysql-vs-postgresql-spring-boot/ 2026-05-17T00:00:00Z We've all been there - stuck in the midst of a production crisis, wondering if our choice of relational database management system (RDBMS) is the root cause of our problems. When building Spring Boot... https://shubhambhati.is-a.dev/blog/mysql-indexing-explained-developers/ https://shubhambhati.is-a.dev/blog/mysql-indexing-explained-developers/ 2026-05-17T00:00:00Z We've all been there - stuck with a slow MySQL query that's bringing down our entire application. In our production environment, we once had a query that was taking over 800ms to execute, causing our... https://shubhambhati.is-a.dev/blog/kafka-vs-rabbitmq-microservices/ https://shubhambhati.is-a.dev/blog/kafka-vs-rabbitmq-microservices/ 2026-05-17T00:00:00Z We've all been there - stuck in a production meeting, trying to debug a microservices issue that's causing delays and frustration. As backend engineers, we know that choosing the right message broker... https://shubhambhati.is-a.dev/blog/java-multithreading-virtual-threads/ https://shubhambhati.is-a.dev/blog/java-multithreading-virtual-threads/ 2026-05-17T00:00:00Z In our production environment, we've seen Java multithreading play a crucial role in handling high traffic and improving response times. Recently, we've been exploring the benefits of java virtual thr... https://shubhambhati.is-a.dev/blog/java-microservices-architecture-guide/ https://shubhambhati.is-a.dev/blog/java-microservices-architecture-guide/ 2026-05-17T00:00:00Z We've all been there - stuck with a monolithic application that's become too complex to maintain. In our production environment, we once had a Java application that was handling over 10,000 requests p... https://shubhambhati.is-a.dev/blog/java-21-features-production-guide/ https://shubhambhati.is-a.dev/blog/java-21-features-production-guide/ 2026-05-17T00:00:00Z As we upgrade from Java 17 to Java 21, we've noticed significant performance improvements in our production environment, particularly with the introduction of virtual threads. One of the most notable... https://shubhambhati.is-a.dev/blog/ai-chatbot-java-spring-boot/ https://shubhambhati.is-a.dev/blog/ai-chatbot-java-spring-boot/ 2026-05-17T00:00:00Z We've all been there - stuck with a legacy chatbot system that's struggling to keep up with user demand. As a Java developer, I've seen firsthand how a well-designed ai chatbot java spring boot system...