AWS, Lambda, and Serverless Applications

Learning Objectives

By the end of this chapter, you will be able to:

  • Explain the serverless model
  • Describe the different AWS serverless services present in the AWS ecosystem
  • Create and execute an AWS Lambda function

This chapter teaches you the basics of serverless architectures, focusing on AWS.

Introduction

Imagine that a critical application in your company is having performance issues. This application is available to customers 24-7, and during business hours, the CPU and memory utilization reaches 100%. This is resulting in an increased response time for customers.

Around 10 years ago, a good migration plan to solve this issue would involve the procurement and deployment of new hardware ...

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