Spring Boot Microservices requires authentication of users, and one way is through JSON Web Token (JWT). JWT is an open standard (RFC 7519) that defines a compact mechanism for securely transmitting information between parties. In this post, I will explain how to implement JWT authentication in Spring Microservices. JWT Token Overview JWT is of relatively […]Continue reading

In September 2021, Java 17 was released as the latest LTS (long-term support) replacing Java 11. Now the big question is “What is new in Java 17?” Java 17 has 14 JDK Enhancement Proposals (JEP) items. Out of those, there are 10 new features, 2 feature removals, and deprecation of 2 features. In this post, […]Continue reading

Distributed Microservices Systems typically comprise a large number of smaller services. These services communicate with each other to perform operations. In order to communicate, one service needs the address of the other service to call. However, service addresses are dynamic in modern microservices systems. For example, if a service is running on one IP and […]Continue reading

Apache Kafka is an open-source Message Bus that solves the problem of how microservices communicate with each other. Spring for Apache Kafka, also known as spring-kafka. It is a  project that applies core Spring concepts to Kafka-based messaging solutions. Spring-kafka provides templates as high-level abstractions to send and consume messages asynchronously. In this post, you […]Continue reading