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Pubudu Jayawardana

Pubudu Jayawardana

Cloud Engineer | AWS Community Builder | Public Speaker

Recent

Triggering Lambda Durable Functions from SQS
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AWS Serverless Lambda SQS EventBridge Pipes
Lambda durable functions can run up to a duration of 1 year. However, this is different when Lambda durable functions are triggered by SQS. Let’s look at the reason and the solutions for this.
Understanding Lambda Tenant Isolation
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AWS Serverless Lambda Security SaaS
Lambda tenant isolation lets you share a single Lambda function across tenants while keeping their execution environments completely separate. Let’s look at why this matters and how it works.
Simple Leave Management with AWS Lambda Durable Functions
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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
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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
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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
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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
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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
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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
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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.