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Pubudu Jayawardana

Pubudu Jayawardana

Cloud Engineer | AWS Community Builder | Public Speaker

Recent

Simple Leave Management with AWS Lambda Durable Functions
·5 mins· 1
AWS Serverless Lambda
This blog post explains my experience developing a simple human-in-the-loop functionality for a leave management application using Lambda Durable Functions.
Monitoring multiple dynamic resources using single Amazon CloudWatch alarm
·5 mins· 2
AWS Serverless CloudWatch
Amazon CloudWatch now allows you to monitor multiple individual metrics via a single alarm. By dynamically including metrics to monitor via a query, this helps to manage a single alarm for monitoring dynamic resources.
Detect EventBridge target failure: Part 2 - using enhanced monitoring
·4 mins· 0
AWS Serverless EventBridge CloudWatch
When EventBridge cannot deliver a message to a target, there are several ways to get notified. In this blog we discuss how EventBridge enhanced logging can be used in this scenario.
Detect EventBridge target failure: Part 1 - with dead letter queue
·4 mins· 0
AWS Serverless EventBridge SQS DLQ
When EventBridge cannot deliver a message to a target, there are several ways to get notified. In this blog we discuss an approach of using a dead letter queue
EventBridge to SQS when cross region and cross account
·3 mins· 2
AWS Serverless EventBridge SQS
When EventBridge needs to deliver messages to SQS, depending on cross account or cross region, the solution is different.
How I built a spelling game with AWS Serverless and GenAI
·12 mins· 0
AWS Serverless Amazon Q Generative AI DynamoDB Step Functions API Gateway CDK
This blog post explains the process of building a simple spelling game with AWS Serverless and GenAI.
Enforce CloudFront-Only Access for AWS API Gateway
·4 mins· 3
AWS Serverless Cloudfront API Gateway EventBridge Scheduler Security
In this post, it is discussed how we can secure a AWS API Gateway REST API to accept requests only through CloudFront.
SQS encryption options
·4 mins· 0
AWS Serverless SQS Encryption
SQS supports both in-transit and server side encryption. For serverside encryption, you can from SSE-SQS or SSE-KMS. What exactly is suitable for you depends on your requirement. In this blog, I focus on how to choose the correct SSE method for cross account access.
Dead Letter Queue (DLQ) for AWS Step Functions
·6 mins· 1
AWS Serverless Step Functions SQS DLQ
Step Functions - one of the main Serverless services offered by AWS for workflow orchestration - does not support dead letter queues natively. This is how we can work around to use DLQ with Step Functions.