Building Microservices with Micronaut®: A quick-start guide to building high-performance reactive microservices for Java developers

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Learn how to build scalable, fast, and resilient microservices with this concise guide

Explore the many advantages of using reflection-free, compile-time dependency injections and aspect-oriented programming

Build cloud-native applications easily with the Micronaut framework

Description

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.

What you will learn

Understand why the Micronaut framework is best suited for building microservices

Build web endpoints and services in the Micronaut framework

Safeguard microservices using Session, JWT, and OAuth in Micronaut projects

Get to grips with event-driven architecture in Micronaut applications

Discover how to automate testing at various levels using built-in tools and testing frameworks

Deploy your microservices to containers and cloud platforms

Become well-versed with distributed logging, tracing, and monitoring in Micronaut projects

Get hands-on with the IoT using Alexa and the Micronaut framework

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Amazon verified reviews

Faceless144p Aug 14, 2022

First sorry for my English, it is actually my third language. I am currently at the 3/4 of the book and I really like the way it is written. The code is available on a Github repository, witch make it way easier to follow the book while the author is implementing the 3 services. The most important concept are seen in details and other concepts are just brief introduction which is perfect (remember that it is a quick-start guide). For me this book is a 5 stars, I highly recommend it.

Amazon Verified review

Amazon Customer Nov 14, 2021

This book is a great start point for anyone who has some experience in Java web services and is looking for developing microservices skills.Coding along with the book is a journey building a hands-on project from scratch to a fully fledged application. A wide range of tools are introduced to address various concerns that get in our way.The writing and examples are all very clear, and there are plenty of diagrams and figures to help you understand. GitHub repo is also provided to help you follow along.This book equips you with skills to build an enterprise level microservices application, from design, development and testing to security, deployment and maintenance. If that's what you are looking for, you will get the most out of the book.To summarize, it's a great book to level up your microservices skills. If you are serious about building a project using Micronaut, definitely keep one within your reach.

r.b. Nov 29, 2021

The book is mainly for someone who knows Java and wants to learn how to write Microservices using the popular framework Micronaut. This book will walk you through the development of a small pet clinic application composed of Microservices.Instead of deploying the entire application on some cloud, the authors kept the application independent of any specific cloud platform. The whole cluster of microservices can be deployed on Docker containers on a local PC. The cluster includes load balancers, microservices, databases, Kafka for stream processing, Elasticsearch, Logstash, Kibana, Zipkin, Prometheus, and Grafana for tracing and monitoring.It also covers IoT by walking readers through the development of an Alexa Skill.

Jacob Mikkelsen Dec 05, 2021

Micronaut is a wonderfull addition to microservice framework in the JAVA/Groovy/Kotlin ecosystem, with its low startup time, reduced memory usage and its flat learning curve. This book provides a good introduction to microservices with Micronaut, but also gives great instructions in how you can actually run those in production (logging, monitoring , etc.)I like that the book is thorough in its descriptions, both the background like microservice architecture and patters, and the technical aspects of implementing the solutions in the Micronaut framework. The book quickly moves past the "Hello world" examples and digs deep into topics like persistance of data, implementing RESTfull services, security and event-driven architecture.Building Microservices with Micronaut is a pleasant book to study. You can read parts of it, when you need to refresh fx how to test your microservice, or lookup sample configuration snippets and code snippets, or you can start from chapter 1 and get the full course. It is great that the full chapter examples are available in the Github repository that accompanies the book.I give this book 4 starts. The reason it does not get 5 stars is, it provides a solid basis for implementing microservices in Micronaut assuming you already know how to build web services in JAVA. With that knowledge, parts of the book becomes trivial and superficial. Including an Alexa skill is neat, but slightly irrelevant, and could have been replaced with more information on deployment and maintaining the services in cloud architecture (not just local docker-compose env.) Finally, the book and samples ignores other build systems (fx Gradle), programming languages (Groovy and Kotlin) and test frameworks (Spock).If you have not worked with Micronaut, this book is a good choice to get started. If you are considering microservice architecture and would like to "dip your toes", this book is for you.

Priya R Shastri Dec 15, 2021

This is a quick start guide for developing microservices for Java developers.Micronaut is a JVM based framework for building lightweight modular applications. It is a fast growing framework designed to make creating microservices quick and easy. This book is a reference material for Java developers building services using Micronaut.In chapter 1 Understanding core concepts of microservices, the author uses block diagrams to describe the microservices design. Where to download the micronaut sdk is provided. In chapter 2 ORM framework is explained by the author. Micronaut Launch is described in this chapter. In chapter 3 working on RESTful services is described in detail. For a novice to REST services, this chapter is ideal. Endpoints are explained in this chapter. CRUD operations are explained in this chapter in addition to creation of endpoints.In chapter 4 Securing the Microservices is discussed. Session authentication, JWT authentication and OAuth authentication are discussed in detail here. Using Okta for mobile application authentication is described here. In chapter 5 Integrating microservices with event driven authentication is discussed. Event driven architechtures are crucial in determining the functioning of microservices. In chapter 6 Microservices testing is discussed as a top down pyramid with E2E serices testing, System testing followed by unit testing at the bottom. In chapter 7 Handling microservices concern, the author discusses configuration management, service discovery, API gateways and fault tolerance. A key benefit of implementing microservices is the fault tolerance. In chapter 8 Microservices deployment is discussed in detail. The block diagram for dockerization of containers is here.OverallThis book is great for explaining the architechture of microservices and entity relationshoip diagrams and block diagrams.The source code is provided in github.Can improve onProviding case studies (One case study is that of a pet-supply store chain)

Building Microservices with Micronaut®: A quick-start guide to building high-performance reactive microservices for Java developers

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