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DevOps for Serverless Applications
DevOps for Serverless Applications

DevOps for Serverless Applications: Design, deploy, and monitor your serverless applications using DevOps practices

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DevOps for Serverless Applications

Understanding Serverless Frameworks

In the previous chapter, we looked into the world of serverless computing, how it works, what the purpose of it is, the benefits of adopting it, the different service providers, and how they fare in terms of the services they offer. We also learned about the pros and cons of adopting a serverless architecture. The goal of this chapter is to teach us different serverless deployment frameworks, and how they will eventually help us to achieve continuous integration and continuous delivery. Furthermore, we will also look at the various features provided by the frameworks and talk in more detail about the serverless framework, learning what it does under the hood.

In the world of application development, the process of developing an application is usually the same. The developer develops the code on their local machine, and compiles and pushes the...

ClaudiaJS

ClaudiaJS is one of the earliest of the deployment frameworks and tools. It is licensed under open source, and, at the time writing, it only supports AWS Lambda. ClaudiaJS is a Node.js library that helps to deploy Node.js projects on to AWS Lambda and API Gateway. It currently supports just the Node.js language. ClaudiaJS claims that it is not a framework, but a deployment tool, so the developer just calls it ClaudiaJS within their code and does not have to change their code structure. ClaudiaJS is built on top of AWS SDK and AWS CLI. It flags three types of JavaScript libraries:

  • Command-line library
  • API builder library
  • Bot builder library

Command-line library

The first JavaScript library is a command-line...

Apex

Apex is yet another serverless framework that is built on the Go to manage AWS Lambda functions. It is an open source framework and uses Terraform for bootstrapping the resources, which makes it faster to execute. The features provided by the frameworks are the ability to deploy, test functions, roll back deployment, view metrics, and tail logs.

Although it does not support invoking the function locally, it does support multiple languages, such as Node.js, Python, Java, Rust, and Go. We can create various environments through Apex. It has good documentation and helps you to quickly get started with using the frameworks. However, Apex currently only supports AWS Lambda.

More information on Apex can be found at the following link:
http://apex.run/#function-hooks

Zappa

If you decide to write your functions in Python, then you can use Zappa to deploy them. Zappa is a CLI/command-line framework, and it is open source. Zappa currently supports Python WSGI applications, which are basically Flask and Django applications. It can deploy macro and micro applications. Zappa has a wide variety of features, such as the ability to deploy functions like API to AWS lambda and AWS API Gateway respectively. It can also configure AWS events sources.

Once deployed, we can also invoke the function through Zappa. It can fetch or tail the logs from the AWS. It also allows rollback to the previous version. We can set up multistage deployment (by stage, it means multiple environment deployments, such as dev, qa, uat, and prod).

Zappa also has the cool feature of being able to keep the Lambda function warm. This makes for better performance and decreases latency...

Serverless Framework

Serverless Framework is one of the most popular frameworks for building serverless architectures. It is an open source CLI, with about 23,000 stars on GitHub. There is also an enterprise edition that helps in setting up templates and providing support. This framework has been used by many companies, such as EA, Coca Cola, Expedia, and Reuters. It is a framework that supports lots of cloud service providers, such as AWS, Azure, Google, OpenWhisk, Kubeless, Oracle Fn, and many others. It has a very well-documented user guide containing quite a large number of examples to help you start using it. It supports lots of languages, such as Node.js, Python, Java, Scala, C#, Go, F#, Groovy, Kotlin, PHP, and Swift.

It supports the life cycle of serverless architecture, which can build, deploy, update, and delete. It supports function grouping for easy management of code...

Summary

In this chapter, we learned about different frameworks, such as ClaudiaJS, Zappa, and Apex. We also looked into a few examples of using them, but we mostly covered Serverless Framework extensively. We will be using Serverless Framework extensively in most of our tutorials while going through the book, because Serverless Framework fairs far better than other frameworks because it has better community support and support for multiple cloud providers. This means that you don't have vendor locking, as you do with some other frameworks. It also has a huge list of plugins for different types of cloud service, good blog support, and finally, some really good features for easy deployment into various different cloud providers. 

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Key benefits

  • Understand various services for designing serverless architecture
  • Build CD pipelines using various cloud providers for your serverless applications
  • Implement DevOps best practices when building serverless applications

Description

Serverless applications are becoming very popular among developers and are generating a buzz in the tech market. Many organizations struggle with the effective implementation of DevOps with serverless applications. DevOps for Serverless Applications takes you through different DevOps-related scenarios to give you a solid foundation in serverless deployment. You will start by understanding the concepts of serverless architecture and development, and why they are important. Then, you will get to grips with the DevOps ideology and gain an understanding of how it fits into the Serverless Framework. You'll cover deployment framework building and deployment with CI and CD pipelines for serverless applications. You will also explore log management and issue reporting in the serverless environment. In the concluding chapters, you will learn important security tips and best practices for secure pipeline management. By the end of this book, you will be in a position to effectively build a complete CI and CD delivery pipeline with log management for serverless applications.

Who is this book for?

DevOps for Serverless Applications is for DevOps engineers, architects, or anyone interested in understanding the DevOps ideology in the serverless world. You will learn to use DevOps with serverless and apply continuous integration, continuous delivery, testing, logging, and monitoring with serverless.

What you will learn

  • Explore serverless fundamentals and effectively combine them with DevOps
  • Set up CI and CD with AWS Lambda and other popular Serverless service providers with the help of the Serverless Framework
  • Perform monitoring and logging with serverless applications
  • Set up a dynamic dashboard for different service providers
  • Discover best practices for applying DevOps to serverless architecture
  • Understand use cases for different serverless architectures
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Sep 29, 2018
Length: 264 pages
Edition : 1st
Language : English
ISBN-13 : 9781788623445
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Length: 264 pages
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Table of Contents

11 Chapters
Introducing Serverless Chevron down icon Chevron up icon
Understanding Serverless Frameworks Chevron down icon Chevron up icon
Applying DevOps to AWS Lambda Applications Chevron down icon Chevron up icon
DevOps with Azure Functions Chevron down icon Chevron up icon
Integrating DevOps with IBM OpenWhisk Chevron down icon Chevron up icon
DevOps with Google Functions Chevron down icon Chevron up icon
Adding DevOps Flavor to Kubeless Chevron down icon Chevron up icon
Best Practices and the Future of DevOps with Serverless Chevron down icon Chevron up icon
Use Cases and Add-Ons Chevron down icon Chevron up icon
DevOps Trends with Serverless Functions Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

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Full star icon Full star icon Full star icon Full star icon Half star icon 4.5
(8 Ratings)
5 star 87.5%
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1 star 12.5%
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Shailendra S. Dec 16, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
As a whole, this is an excellent resource particularly for someone that is new to Serverless functions (Function-as-a-Service (FaaS)). Easier to read and better organized, and examples showcasing the covered concepts. If you're just starting with Serverless applications, this is what you need.It also includes best practices for Serverless functions architecture services by AWS Lambda, Azure Functions, IBM OpenWhisk, Google Functions, Kubeless with their approach to DevOps.The book is well written, easy to follow, and a perfect mix of tutorials and Serverless concepts. Highly recommend!
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Sudhir Jan 12, 2019
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This is a must-read book for anyone who wants to understand and implement DevOps culture and process for Serverless applications.It covers the concept of Serverless with real world example, then it talks about different cloud service provider who provides serverless service, it also provides understanding of serverless framework and has many different hands-on examples for the framework. It also goes into details about how to setup CI/CD for lambda functions, azure functions, google functions, openwhisk and kubeless with multiple different tutorials. It also walks through different best practises around Serverless and DevOps. So overall it is good mix of Serverless concept and also DevOps. I definitely will recommend this book to anyone who wants to understand the concept of Serverless, DevOps for Serverless and Serverless framework.
Amazon Verified review Amazon
Swapnil Dec 16, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
If you are interested in learning new horizons in growing technology especially in the field of serverless applications using devops, this book is a right fit. Very well explained with examples and for all kind of audiences.
Amazon Verified review Amazon
Sachin Deshpande Jan 04, 2019
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Great book on devOps and serverless applications. Covers all aspects like design, deploy and managing your serverless application. Each core functions are covered in details like AWS, Azure, IBM OpenWhisk. Great read for anyone learning devOps and serverless applications.
Amazon Verified review Amazon
Denis Nov 04, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
If you are interested in Serverless ecosystem and wanted to get some hands-on trying simple serverless use cases in different platforms with a step by step approach, this book is the right choice.
Amazon Verified review Amazon
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