Book Image

AWS Certified Developer - Associate Guide - Second Edition

By : Vipul Tankariya, Bhavin Parmar
5 (2)
Book Image

AWS Certified Developer - Associate Guide - Second Edition

5 (2)
By: Vipul Tankariya, Bhavin Parmar

Overview of this book

This book will focus on the revised version of AWS Certified Developer Associate exam. The 2019 version of this exam guide includes all the recent services and offerings from Amazon that benefits developers. AWS Certified Developer - Associate Guide starts with a quick introduction to AWS and the prerequisites to get you started. Then, this book will describe about getting familiar with Identity and Access Management (IAM) along with Virtual private cloud (VPC). Next, this book will teach you about microservices, serverless architecture, security best practices, advanced deployment methods and more. Going ahead we will take you through AWS DynamoDB A NoSQL Database Service, Amazon Simple Queue Service (SQS) and CloudFormation Overview. Lastly, this book will help understand Elastic Beanstalk and will also walk you through 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 (30 chapters)
Free Chapter
1
Overview of AWS Certified Developer - Associate Certification

Understanding templates

AWS CFT describes all AWS resources and their properties in JSON or YAML format. Templates can be written using any text editor. It is recommended that you give relevant and meaningful filenames to each template. Template extensions can be .json, .yaml, or .txt. When these templates are executed, the defined AWS resources are created in the respective AWS account. You can either upload the template to an S3 bucket and specify the template URL or you can upload the template file using the browse button in the template creation wizard. Even if you upload the template file using the browse button in the template creation wizard, it is internally stored in S3. The following diagram helps us to understand this:

Figure 15.1: The AWS CloudFormation flow
While creating a stack, if the template path is pointing to the local machine, then it will automatically...