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Serverless Design Patterns and Best Practices

You're reading from   Serverless Design Patterns and Best Practices Build, secure, and deploy enterprise ready serverless applications with AWS to improve developer productivity

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Product type Paperback
Published in Apr 2018
Publisher Packt
ISBN-13 9781788620642
Length 260 pages
Edition 1st Edition
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Author (1):
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Brian Zambrano Brian Zambrano
Author Profile Icon Brian Zambrano
Brian Zambrano
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Table of Contents (12) Chapters Close

Preface 1. Introduction FREE CHAPTER 2. A Three-Tier Web Application Using REST 3. A Three-Tier Web Application Pattern with GraphQL 4. Integrating Legacy APIs with the Proxy Pattern 5. Scaling Out with the Fan-Out Pattern 6. Asynchronous Processing with the Messaging Pattern 7. Data Processing Using the Lambda Pattern 8. The MapReduce Pattern 9. Deployment and CI/CD Patterns 10. Error Handling and Best Practices 11. Other Books You May Enjoy

Managing different environments


With most production-level applications, teams maintain multiple environments for different purposes. A QA environment may exist for the QA team to run automated tests, a staging environment may exist for the DevOps team to tests their infrastructure changes, and the production environment exists to serve live traffic. Very often, building and maintaining these different environments can be a full-time job.

With serverless systems, I've found that maintaining different environments can be much more straightforward. Some of this may come from the fact that, by their nature, serverless applications are inherently smaller. Writing a monolithic application in a serverless architecture isn't wise - or even natural. How best, then, can we manage and maintain different environments for serverless systems?

For this, turning to tenant III of the 12-Factor App Methodology helps. This tenant can be found at https://12factor.net/config and states:

Store config in the environment...

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