Book Image

AWS Certified Developer - Associate Guide

By : Vipul Tankariya, Bhavin Parmar
Book Image

AWS Certified Developer - Associate Guide

By: Vipul Tankariya, Bhavin Parmar

Overview of this book

AWS Certified Developer - Associate Guide starts with a quick introduction to AWS and the prerequisites to get you started. Then, this book gives you a fair understanding of core AWS services and basic architecture. Next, this book will describe about getting familiar with Identity and Access Management (IAM) along with Virtual private cloud (VPC). Moving ahead you will learn about Elastic Compute cloud (EC2) and handling application traffic with Elastic Load Balancing (ELB). Going ahead you we will talk about Monitoring with CloudWatch, Simple storage service (S3) and Glacier and CloudFront along with other AWS storage options. Next we will take you through AWS DynamoDB – A NoSQL Database Service, Amazon Simple Queue Service (SQS) and CloudFormation Overview. Finally, this book covers understanding Elastic Beanstalk and overview of AWS lambda. At the end of this book, we will cover enough topics, tips and tricks along with mock tests for you to be able to pass the AWS Certified Developer - Associate exam and develop as well as manage your applications on the AWS platform.
Table of Contents (29 chapters)
Title Page
Credits
About the Author
Acknowledgments
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Dedication
Preface
Index

Chapter 17. Overview of AWS Lambda

In AWS, a compute resource such as AWS EC2 is used to host small-to-large enterprise applications. Infrastructure configuration complexity in enterprise applications may vary from application to application in different organizations. Handling day-to-day operational activities on these compute resources may be time-consuming and require additional resources for managing tasks. Even if an organization automates tasks, any periodical manual intervention in activity may also create a hindrance for the management and the maintenance of such resources. To address this organizational issue, Amazon provides a hosted compute service called Amazon Lambda. The sole purpose of the Lambda service is to abstract server management and simplify building on-demand applications. Lambda provides an abstract layer for hosting application functions and manages underlined servers in the background. A piece of code can be uploaded in an AWS Lambda. It is called a Lambda function...