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Docker for Serverless Applications

You're reading from Docker for Serverless Applications Containerize and orchestrate functions using OpenFaas, OpenWhisk, and Fn

Product type Paperback

Published in Apr 2018

Publisher Packt

ISBN-13 9781788835268

Length 250 pages

Edition 1st Edition

Tools

Docker

Concepts

Serverless

Author (1):

Chanwit Kaewkasi

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Table of Contents (11) Chapters

Preface

1. Serverless and Docker

2. Docker and Swarm Clusters FREE CHAPTER

3. Serverless Frameworks

4. OpenFaaS on Docker

5. The Fn Project

6. OpenWhisk on Docker

7. Operating FaaS Clusters

8. Putting Them All Together

9. The Future of Serverless

10. Other Books You May Enjoy

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Preparing a production cluster

In this section, we will discuss how to prepare a production Docker Swarm cluster to run FaaS platforms at the cheapest rate possible on AWS Spot instances. The cost of deploying a Docker cluster would be as cheap as running codes on AWS Lambda, but it allows us to control almost everything in our cluster. If the deployment policy is cost-driven, this is the best way to go.

Cost savings with Spot instances

When we are talking about the cloud, its on-demand instances are actually cheap already. However, in the long run, the price of using cloud instances will be similar to buying real machines. To solve this pricing problem, major cloud providers, such as Amazon EC2, and Google Cloud Platform, provide a new instance type, collectively called a Spot instance in this book:

Figure 7.7: Comparison of shutdown signals of a Spot instance on AWS versus Google Cloud

Spot instances are far cheaper than on-demand instances. However, their weak point is the short life cycle...

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Authors (1)

Chanwit Kaewkasi

Chanwit Kaewkasi

Chanwit Kaewkasi is an assistant professor at the School of Computer Engineering, Suranaree University of Technology, Thailand. He started contributing code to the Docker Swarm project in its early day around 0.1. Later in 2016, he led the Swarm2K project together with contributors around the world to form the largest Docker Swarm cluster. Beside teaching and doing research in the field of software engineering, he provides consulting to several companies to help them adopt Docker, microservices, and FaaS technologies. He currently serves the Docker community as a Docker Captain.

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