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Learn AWS Serverless Computing

Learn AWS Serverless Computing

By : Scott Patterson
4 (5)
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Learn AWS Serverless Computing

Learn AWS Serverless Computing

4 (5)
By: Scott Patterson

Overview of this book

Serverless computing is a way to run your code without having to provision or manage servers. Amazon Web Services provides serverless services that you can use to build and deploy cloud-native applications. Starting with the basics of AWS Lambda, this book takes you through combining Lambda with other services from AWS, such as Amazon API Gateway, Amazon DynamoDB, and Amazon Step Functions. You’ll learn how to write, run, and test Lambda functions using examples in Node.js, Java, Python, and C# before you move on to developing and deploying serverless APIs efficiently using the Serverless Framework. In the concluding chapters, you’ll discover tips and best practices for leveraging Serverless Framework to increase your development productivity. By the end of this book, you’ll have become well-versed in building, securing, and running serverless applications using Amazon API Gateway and AWS Lambda without having to manage any servers.
Table of Contents (20 chapters)
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1
Section 1: Why We're Here
4
Section 2: Getting Started with AWS Lambda Functions
9
Section 3: Development Patterns
12
Section 4: Architectures and Use Cases

Invoking Lambda functions

In this section, we're going to cover all the different ways we can invoke a Lambda function. We'll touch on which event sources can natively trigger a function and the types of execution that are supported. We will also go deeper into what resources are available to you during runtime.

Invocation types

So far, we've learned that Lambda functions are triggered by events. In the next section we'll show you exactly which events are supported as sources, while in this section, we're going to explore the different ways you can invoke a function.

At a high level, Lambda functions can be invoked using the following:

  • A push
  • An event
  • A stream-based model

The push model is a synchronous...

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