<ul><li>Amazon SNS (Simple Notification Service) is a fully managed Amazon messaging service that allows large number of subscribers using different delivery protocoles, such as HTTP/HTTPS, email, SQS, SMS and AWS Lambda.</li><li>This guide demonstrates how to create a Spring Boot application that subscribes to and processes messages from an SNS topic.</li><li>The infrastructure, built using AWS CDK (in Java), includes the following components:</li><li>A VPC with a public Subnet to host an EC2 instance where the Spring Boot application will run.</li><li>An Internet Gateway to provide the EC2 instance with internet access for downloading dependencies.</li><li>An SNS Topic for publishing messages.</li><li>An EC2 Instance for hosting the Spring Boot application.</li><li>An IAM Role to grant the EC2 instance permissions to receive messages from the SNS topic (critical for secure communication).</li><li>The code creates a Spring Boot application that subscribes to and processes messages from an SNS topic.</li><li>Finally, add a controller designed to handle incoming notifications from an AWS SNS (Simple Notification Service) topic.</li></ul>

Create an AWS SNS Topic Using CDK and consume messages with a Spring Boot Microservice

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