Book Image

Building Microservices with Micronaut®

By : Nirmal Singh, Zack Dawood
Book Image

Building Microservices with Micronaut®

By: Nirmal Singh, Zack Dawood

Overview of this book

The open source Micronaut® framework is a JVM-based toolkit designed to create microservices quickly and easily. This book will help full-stack and Java developers build modular, high-performing, and reactive microservice-based apps using the Micronaut framework. You'll start by building microservices and learning about the core components, such as ahead-of-time compilation, reflection-less dependency injection, and reactive baked-in HTTP clients and servers. Next, you will work on a real-time microservice application and learn how to integrate Micronaut projects with different kinds of relational and non-relational databases. You'll also learn how to employ different security mechanisms to safeguard your microservices and integrate microservices using event-driven architecture in the Apache Kafka ecosystem. As you advance, you'll get to grips with automated testing and popular testing tools. The book will help you understand how you can easily handle microservice concerns in Micronaut projects, such as service discovery, API documentation, distributed configuration management, fallbacks, and circuit breakers. Finally, you'll explore the deployment and maintenance aspects of microservices and get up to speed with the Internet of Things (IoT) using the Framework. By the end of this book, you'll be able to build, test, deploy, and maintain your own microservice apps using the framework.
Table of Contents (20 chapters)
Section 1: Core Concepts and Basics
Section 2: Microservices Development
Section 3: Microservices Testing
Section 4: Microservices Deployment
Section 5: Microservices Maintenance
Section 6: IoT with Micronaut and Closure


In this chapter, we began with distributed logging and why it is important in any microservice implementation. We implemented an ELK Stack for distributed logging in the pet-clinic application. Furthermore, we dived into using the Kibana user interface for connecting to the Elasticsearch application logs index.

Later, we explored what distributed tracing is and how to implement distributed tracing using Zipkin in the Micronaut framework. We also verified the trace of an HTTP call in the Zipkin user interface.

In the end, we dived into the world of distributed monitoring and implemented a distributed monitoring solution for the pet-clinic application using a Prometheus and Grafana stack.

This chapter enhanced your Micronaut microservices journey with the observability patterns that are distributed logging, distributed tracing, and distributed monitoring by enabling you with hands-on knowledge on how to implement these patterns in the Micronaut framework.

In the...