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Hands-On Microservices ??? Monitoring and Testing

By : Rajput

2.7 (6)

Buy this Book

Hands-On Microservices ??? Monitoring and Testing

2.7 (6)

By: Rajput

Buy this Book

Overview of this book

Microservices are the latest "right" way of developing web applications. Microservices architecture has been gaining momentum over the past few years, but once you've started down the microservices path, you need to test and optimize the services. This book focuses on exploring various testing, monitoring, and optimization techniques for microservices. The book starts with the evolution of software architecture style, from monolithic to virtualized, to microservices architecture. Then you will explore methods to deploy microservices and various implementation patterns. With the help of a real-world example, you will understand how external APIs help product developers to focus on core competencies. After that, you will learn testing techniques, such as Unit Testing, Integration Testing, Functional Testing, and Load Testing. Next, you will explore performance testing tools, such as JMeter, and Gatling. Then, we deep dive into monitoring techniques and learn performance benchmarking of the various architectural components. For this, you will explore monitoring tools such as Appdynamics, Dynatrace, AWS CloudWatch, and Nagios. Finally, you will learn to identify, address, and report various performance issues related to microservices.

Preface

Who this book is for

What this book covers

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Free Chapter

Software Architecture Patterns

The monolithic architecture pattern

Microservice architecture pattern

Service-oriented architecture (SOA)

SOA versus microservice architecture

Summary

Anatomy of Microservice Decomposition Services

Anatomy of a microservice

Decomposition based on business capability

Decomposition on the basis of domain

Microservice chassis to handle cross-cutting concerns

Building microservices

SOAP versus RESTful microservices

Summary

Microservices Deployment Patterns

Microservices deployment

Service deployment platforms

Serverless deployment

Summary

Inter-Service Communication

Approaches to service communication

Event-based communication

Domain-specific protocol

Summary

Service Registry and Discovery

Technical Requirements

The need for service discovery in microservice architecture

Service discovery patterns

Microservice registry and discovery with Eureka

Summary

External API Gateway

Technical Requirements

Introducing an API gateway

Client-to-microservice communication

Using an API gateway

Building an API gateway

Building an API gateway using Spring Cloud's Netflix Zuul proxy

MuleSoft

Summary

Testing of Microservices

Technical Requirements

Testing strategies for microservices

Unit testing

Integration testing

Component testing

Contract testing

End-to-end testing

UI/functional testing

Summary

Performance Testing of Microservices

Technical Requirements

JMeter

Gatling

The ReadyAPI

Summary

Performance Monitoring of Microservices

Identifying performance counters to test microservices

Performance monitoring tools

Component-level monitoring

Domain-specific monitoring

Dashboards and identifying issues by going through logs

Grafana

Summary

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Introducing an API gateway

In our online bookshop application, we have several diverse clients such as mobile, desktop, and laptop. Consequently, we have to develop the native client for this application. Let's imagine there is an order details page that displays order information about a book, as well as the details of the customer who purchased it.

The following services are required in order to obtain such order details:

Order Service: This provides information about order details and order history
Account Service: This provides information about the customer
Book Service: This provides information about books and their availability in the product catalog
Shipping Service: This provides details about shipping ordered books
Note that the application may have many more services available

Suppose you choose to build an application with a monolithic software architecture...