This book is for anyone who works with microservice-based architecture, or who would like to learn about it. It covers basic concepts, such as understanding microservice-based architecture and various ways of implementing a microservice in Java. Then, it moves onto advanced topics, such as how to create communication channels among microservices, managing scalability and security in an application based on microservice architecture. The book also covers topics on monitoring, deploying, documenting, and testing a microservice-based application.