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Hands-On Serverless Applications with Kotlin

You're reading from   Hands-On Serverless Applications with Kotlin Develop scalable and cost-effective web applications using AWS Lambda and Kotlin

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Product type Paperback
Published in Sep 2018
Publisher Packt
ISBN-13 9781788993708
Length 386 pages
Edition 1st Edition
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Authors (2):
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Ameya Kulkarni Ameya Kulkarni
Author Profile Icon Ameya Kulkarni
Ameya Kulkarni
Hardik Trivedi Hardik Trivedi
Author Profile Icon Hardik Trivedi
Hardik Trivedi
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Implementing lambda functions

Lambda functions will hold our business logic. They will be executed when an API request is made. We have already shown you how lambda function needs to be bound with an API gateway. You will also see in Chapter 6, Analyzing your Application, how the lambda function will sit between the API gateway and CloudWatch. It will serve as a bridge.

Writing your first lambda function in Kotlin

You may have already written a lambda function in your project. AWS supports multiple languages for lambda functions. We will write our lambda function in Kotlin. The Kotlin code will be compiled and converted into a fat .jar file. Kotlin code can also be transpiled into JavaScript, and we will target Node.js in...

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