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Node.js Web Development

You're reading from   Node.js Web Development Server-side development with Node 10 made easy

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Product type Paperback
Published in May 2018
Publisher Packt
ISBN-13 9781788626859
Length 492 pages
Edition 4th Edition
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Author (1):
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David Herron David Herron
Author Profile Icon David Herron
David Herron
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Table of Contents (14) Chapters Close

Preface 1. About Node.js FREE CHAPTER 2. Setting up Node.js 3. Node.js Modules 4. HTTP Servers and Clients 5. Your First Express Application 6. Implementing the Mobile-First Paradigm 7. Data Storage and Retrieval 8. Multiuser Authentication the Microservice Way 9. Dynamic Client/Server Interaction with Socket.IO 10. Deploying Node.js Applications 11. Unit Testing and Functional Testing 12. Security 13. Other Books You May Enjoy

Node.js, the microservice architecture, and easily testable systems

New capabilities, such as cloud deployment systems and Docker, make it possible to implement a new kind of service architecture. Docker makes it possible to define server process configuration in a repeatable container that's easy to deploy by the millions into a cloud hosting system. It lends itself best to small single-purpose service instances that can be connected together to make a complete system. Docker isn't the only tool to help simplify cloud deployments; however, its features are well attuned to modern application deployment needs.

Some have popularized the microservice concept as a way to describe this kind of system. According to the microservices.io website, a microservice consists of a set of narrowly focused, independently deployable services. They contrast this with the monolithic application deployment pattern where every aspect of the system is integrated into one bundle (such as a single WAR file for a Java EE app server). The microservice model gives developers much needed flexibility.

Some advantages of microservices are as follows:

  • Each microservice can be managed by a small team
  • Each team can work on its own schedule, so long as the service API compatibility is maintained
  • Microservices can be deployed independently, such as for easier testing
  • It's easier to switch technology stack choices

Where does Node.js fit in with this? Its design fits the microservice model like a glove:

  • Node.js encourages small, tightly focused, single-purpose modules
  • These modules are composed into an application by the excellent npm package management system
  • Publishing modules is incredibly simple, whether via the NPM repository or a Git URL
You have been reading a chapter from
Node.js Web Development - Fourth Edition
Published in: May 2018
Publisher: Packt
ISBN-13: 9781788626859
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