Cloud-Native Applications in Java

By : Olsson, Mahajan, Kumar Gupta, S

4.2 (51)

Buy this Book

Cloud-Native Applications in Java

4.2 (51)

By: Olsson, Mahajan, Kumar Gupta, S

Buy this Book

Overview of this book

Businesses today are evolving so rapidly that they are resorting to the elasticity of the cloud to provide a platform to build and deploy their highly scalable applications. This means developers now are faced with the challenge of building build applications that are native to the cloud. For this, they need to be aware of the environment, tools, and resources they’re coding against. If you’re a Java developer who wants to build secure, resilient, robust, and scalable applications that are targeted for cloud-based deployment, this is the book for you. It will be your one stop guide to building cloud-native applications in Java Spring that are hosted in On-prem or cloud providers - AWS and Azure The book begins by explaining the driving factors for cloud adoption and shows you how cloud deployment is different from regular application deployment on a standard data centre. You will learn about design patterns specific to applications running in the cloud and find out how you can build a microservice in Java Spring using REST APIs You will then take a deep dive into the lifecycle of building, testing, and deploying applications with maximum automation to reduce the deployment cycle time. Gradually, you will move on to configuring the AWS and Azure platforms and working with their APIs to deploy your application. Finally, you’ll take a look at API design concerns and their best practices. You’ll also learn how to migrate an existing monolithic application into distributed cloud native applications. By the end, you will understand how to build and monitor a scalable, resilient, and robust cloud native application that is always available and fault tolerant.

Preface

Who this book is for

What this book covers

To get the most out of this book

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Free Chapter

Introduction to Cloud-Native

Why go cloud-native?

What is cloud-native?

Cloud-native and microservices

The 12-factor app

Microservice adoption

Summary

Writing Your First Cloud-Native Application

Setting up your developer toolbox

Understanding the development life cycle

Selecting a framework

Writing a product service

Enabling cloud-native behaviors

Summary

Designing Your Cloud-Native Application

The trio – REST, HTTP, and JSON

Rise and popularity of the APIs

Role of API gateways

Application decoupling

Microservice identification

Microservice design guidelines

Design and deployment patterns

Data architecture for microservices

The role of security

Summary

Extending Your Cloud-Native Application

Implementing the get services

Data update services

Summary

Testing Cloud-Native Applications

Writing test cases before development

Testing patterns

Types of testing

Testing the Product service

Summary

Cloud-Native Application Deployment

Deployment models

Deployment patterns

Summary

Cloud-Native Application Runtime

The need for a runtime

Implementing runtime reference architecture

Kubernetes – container orchestration

Platform as a Service (PaaS)

Summary

Platform Deployment – AWS

AWS platform

AWS platform deployment options

Summary

Platform Deployment – Azure

Azure platform

Azure platform deployment options

Summary

As a Service Integration

XaaS

Key design concerns when building XaaS

Integration with third-party APIs

Summary

API Design Best Practices

API design concerns

API modeling

API gateway deployment models

Summary

Digital Transformation

Application portfolio rationalization

Monolithic application to distributed cloud-native application

Building your own platform services (control versus delegation)

Summary

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AWS platform

Amazon AWS was the pioneer of cloud computing, and has been expanding its cloud offerings ever since to maintain its leadership position. The following diagram gives an indicative list of services offered by the AWS platform for application developers:

This is just an indicative list and by no means an exhaustive list; refer to the Amazon AWS portal for a complete list.

The categories are as follows:

Infrastructure: This is probably the core of the AWS platform that enables it to provide a plethora of other services. These can be further classified into:
- Compute: Services such as EC2, Lambda, ECS, and ELB. We will be demonstrating the deployment of our sample application using primarily compute services, but it is relatively easy to tie them up with the other services offered by AWS.
- Storage: Services such as S3, EBS, and CloudFront.
- Networking:...