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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

Product type Paperback

Published in Apr 2018

Publisher Packt

ISBN-13 9781788620642

Length 260 pages

Edition 1st Edition

Languages

JavaScript

Tools

AWS

Concepts

Design Patterns

Author (1):

Zambrano

View More author details

Table of Contents (18) Chapters

Title Page

Copyright and Credits

Dedication

Packt Upsell

Contributors

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

1. Other Books You May Enjoy

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Index

Iteration and deployment

While developing this code using the existing repository, I repeatedly needed to update just the GraphQL portion of the stack. Using the Serverless Framework and its ability to update a single Lambda function made this very easy. With the shortcut in the Makefile, deploying a single function looks like the following:

root@7466ff009753:/code# make deploy function=GraphQL 
cd serverless && sls deploy function -s dev -f GraphQL 
Serverless: Packaging function: GraphQL... 
Serverless: Excluding development dependencies... 
Serverless: Uploading function: GraphQL (5.74 MB)... 
Serverless: Successfully deployed function: GraphQL 
root@7466ff009753:/code# make deploy

It's hard to give exact numbers, but deployments like this after iteration on code take in the order of two-five seconds. Deployment speed will mostly depend on your upload speeds and the final size of the application package.

Of course, iterating and adding new code means writing more tests. Serverless...

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Authors (1)

Zambrano

Zambrano

Brian Zambrano is a software engineer and architect with a background cloud-based SAAS application architecture, design, and scalability. Brian has been working with AWS consistently since 2009. For the past several years, he has focused on cloud architecture with AWS using serverless technologies, microservices, containers, and the vast array of AWS services. Brian was born and bred in the San Francisco Bay Area and currently resides in Fort Collins, CO with his wife and twin boys.

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