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

Publishing a message to an SNS topic

As soon as the publisher sends a message to a topic, Amazon SNS will try to deliver a notification/message to all the subscribers. The subscriber may have different protocols and individual endpoints. With the help of the following steps, a message can be published over an SNS topic:

  1. Go to the SNS dashboard and select Topics from the left-hand side pane; it will display a list of topics, as shown in Figure 13.12:
Figure 13.12: SNS Topics dashboard
  1. Click on the topic Name, as shown in Figure 13.13:
Figure 13.13: Select topic; to get ARN
  1. Click on Publish message, as shown in Figure 13.14:
Figure 13.14: SNS topic details
  1. To publish a message, provide the details, as shown in Figure 13.15:
Figure 13.15: Publish a message on a topic

The fields in the preceding screenshot are explained as follows:

  • Subject: This is optional and can...