#lambda Development Tutorials & Tips | Roast Dev

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Building Serverless Workflows with AWS Lambda + Step Functions (Automated Workflows with State and Error Handling)

When building serverless applications, orchestrating complex workflows with multiple steps can quickly become a challenge. Traditionally, you'd rely on custom error handling, retries, and state persis...

29.04.2025 0 Read More

Serverless Event Sourcing with AWS Lambda and DynamoDB: Implementing CQRS for Scalable, Fault-Tolerant APIs

Building scalable, resilient, and maintainable APIs in a serverless architecture can be tricky. When you need high availability, low latency, and support for complex business logic, Event Sourcing com...

30.04.2025 0 Read More

Beyond Theory: 5 Practical, Real-World Use Cases for AWS Lambda

(Stop Managing Servers, Start Building Value) Intro: The Server Struggle is Real Remember the "good old days"? Provisioning servers, patching operating systems, guessing capacity needs (and us...

30.04.2025 0 Read More

Creating Lambda functions and APIs in AWS and integrating them- Beginners Guide

AWS Lambda lets you run code without provisioning or managing servers, whereas Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, a...

01.05.2025 0 Read More

PixelCascade: Building a Scalable Image Processing Pipeline with AWS Fanout Architecture

Introduction PixelCascade is a mini-project that demonstrates how to build a scalable image processing pipeline using AWS services like S3, Lambda, SNS, SQS, and DynamoDB. By leveraging a fan...

01.05.2025 0 Read More

S3: Presigned URL upload with tags

S3 native feature of presigned URL is great - you can save on compute costs as everything will be handled by AWS for you. However, there's not much you can set when generating the URL, basically just ...

02.05.2025 0 Read More

Supercharge Your Lambda Functions with Powertools for AWS Lambda

Writing clean, observable, and maintainable Lambda functions can be challenging — especially at scale.That’s where AWS Lambda Powertools for TypeScript comes in. It offers a suite of utilities to ...