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Java EE 8 Design Patterns and Best Practices

You're reading from   Java EE 8 Design Patterns and Best Practices Build enterprise-ready scalable applications with architectural design patterns

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781788830621
Length 314 pages
Edition 1st Edition
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Authors (3):
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Rhuan Rocha Rhuan Rocha
Author Profile Icon Rhuan Rocha
Rhuan Rocha
Paulo Alberto Simoes Paulo Alberto Simoes
Author Profile Icon Paulo Alberto Simoes
Paulo Alberto Simoes
Joao Carlos Purificação Joao Carlos Purificação
Author Profile Icon Joao Carlos Purificação
Joao Carlos Purificação
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Table of Contents (14) Chapters Close

Preface 1. Introduction to Design Patterns 2. Presentation Patterns FREE CHAPTER 3. Business Patterns 4. Integration Patterns 5. Aspect-Oriented Programming and Design Patterns 6. Reactive Patterns 7. Microservice Patterns 8. Cloud-Native Application Patterns 9. Security Patterns 10. Deployment Patterns 11. Operational Patterns 12. MicroProfile 13. Other Books You May Enjoy

Explaining the concept of blue/green deployment


Blue/green deployment is very similar to canary deployment in the sense that it deploys new versions of an application using the process of partition. The blue/green method deploys the application into a subset of servers in the production environment and then propagates the new version to the remaining servers. This deployment pattern differs from canary deployment with regard to its goals, because the blue/green deployment aims to reduce an application's downtime during deployment. With canary deployment, however, the goal is to reduce the occurrence of an error in the production environment associated with the new version. Furthermore, with canary deployment, the production environment can stay with both a new version and an old version and receive requests simultaneously, while in a blue/green deployment, only one version responds to requests.

The blue/green deployment is a deployment pattern that makes it possible to deploy a new version...

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