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  • Mastering Microservices with Java
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Mastering Microservices with Java

Mastering Microservices with Java

By : Sharma
3.3 (3)
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Mastering Microservices with Java

Mastering Microservices with Java

3.3 (3)
By: Sharma

Overview of this book

Microservices are key to designing scalable, easy-to-maintain applications. This latest edition of Mastering Microservices with Java, works on Java 11. It covers a wide range of exciting new developments in the world of microservices, including microservices patterns, interprocess communication with gRPC, and service orchestration. This book will help you understand how to implement microservice-based systems from scratch. You'll start off by understanding the core concepts and framework, before focusing on the high-level design of large software projects. You'll then use Spring Security to secure microservices and test them effectively using REST Java clients and other tools. You will also gain experience of using the Netflix OSS suite, comprising the API Gateway, service discovery and registration, and Circuit Breaker. Additionally, you'll be introduced to the best patterns, practices, and common principles of microservice design that will help you to understand how to troubleshoot and debug the issues faced during development. By the end of this book, you'll have learned how to build smaller, lighter, and faster services that can be implemented easily in a production environment.
Table of Contents (22 chapters)
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Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Section 1: Fundamentals
Section 1: Fundamentals
2
A Solution Approach
A Solution Approach
Services and SOA
Microservices, nanoservices, teraservices, and serverless
Deployment and maintenance
Deployment
Summary
3
Environment Setup
Environment Setup
Spring Boot
REST
An embedded web server
Maven build
Testing using Postman
Summary
Further reading
4
Domain-Driven Design
Domain-Driven Design
Domain-driven design (DDD) fundamentals
The fundamentals of DDD
Sample domain service
Summary
5
Implementing a Microservice
Implementing a Microservice
OTRS overview
Developing and implementing microservices
Testing
Microservice deployment using containers
Summary
6
Section 2: Microservice Patterns, Security, and UI
Section 2: Microservice Patterns, Security, and UI
7
Microservice Patterns - Part 1
Microservice Patterns - Part 1
Service discovery and registration
Centralized configuration
Execution and testing of the containerized OTRS app
Summary
References
8
Microservice Patterns - Part 2
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Microservice Patterns - Part 2
The overall architecture
Edge server and API gateway
Circuit breaker
Centralized monitoring
Summary
Further reading
9
Securing Microservices
Securing Microservices
Secure Socket Layer
Authentication and authorization
OAuth implementation using Spring Security
Summary
Further reading
10
Consuming Services Using the Angular App
Consuming Services Using the Angular App
Setting up a UI application
Angular framework overview
Developing OTRS features
Summary
Further reading
11
Section 3: Inter-Process Communication
Section 3: Inter-Process Communication
12
Inter-Process Communication Using REST
Inter-Process Communication Using REST
REST and inter-process communication
Load balanced calls and RestTemplate implementation
OpenFeign client implementation
Java 11 HTTPClient
Wrapping it up
Summary
Further reading
13
Inter-Process Communication Using gRPC
Inter-Process Communication Using gRPC
An overview of gRPC
The gRPC-based server
The gRPC-based client
Summary
Further reading
14
Inter-Process Communication Using Events
Inter-Process Communication Using Events
An overview of the event-based microservice architecture
Implementing event-based microservices
Summary
Further reading
15
Section 4: Common Problems and Best Practices
Section 4: Common Problems and Best Practices
16
Transaction Management
Transaction Management
Design Iteration
Two-phase commit (2PC)
Distributed sagas and compensating transaction
Distributed saga implementation
Summary
Further reading
17
Service Orchestration
Service Orchestration
Choreography and orchestration
Orchestration implementation with Netflix Conductor
Summary
Further reading
18
Troubleshooting Guide
Troubleshooting Guide
Logging and the ELK Stack
Using a correlation ID for service calls
Dependencies and versions
Summary
Further reading
19
Best Practices and Common Principles
Best Practices and Common Principles
Overview and mindset
Best practices and principles
Microservice frameworks and tools
Summary
Further reading
20
Converting a Monolithic App to a Microservice-Based App
Converting a Monolithic App to a Microservice-Based App
Do you need to migrate?
Approaches and keys to successful migration
Summary
Further reading
21
Other Books You May Enjoy
Other Books You May Enjoy
Leave a review - let other readers know what you think

The overall architecture

Netflix was one of the early adopters of microservice-based systems. They were the first to successfully implement microservice architecture on a large scale and make it popular. They also helped increase its popularity and contributed immensely to microservices by open sourcing most of their microservice tools with the Netflix Open Source Software (OSS) center.

According to the Netflix blog, when Netflix was developing their platform, they used Apache Cassandra for data storage, which is an open source tool from Apache. They started contributing to Cassandra with fixes and optimization extensions. This led to Netflix seeing the benefits of releasing Netflix projects with the name OSS Center.

Spring took the opportunity to integrate many Netflix OSS projects, such as Zuul, Ribbon, Hystrix, Eureka Server, and Turbine, into Spring Cloud Netflix. This is...

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