AWS Compute Blog

Category: AWS SDK for JavaScript in Node.js

Request flow for idempotent Lambda function

Implementing idempotent AWS Lambda functions with Powertools for AWS Lambda (TypeScript)

This post is written by Alexander Schüren, Sr Specialist SA, Powertools. One of the design principles of AWS Lambda is to “develop for retries and failures”. If your function fails, the Lambda service will retry and invoke your function again with the same event payload. Therefore, when your function performs tasks such as processing orders […]

putProduct trace view

Simplifying serverless best practices with AWS Lambda Powertools for TypeScript

This blog post is written by Sara Gerion, Senior Solutions Architect. Development teams must have a shared understanding of the workloads they own and their expected behaviors to deliver business value fast and with confidence. The AWS Well-Architected Framework and its Serverless Lens provide architectural best practices for designing and operating reliable, secure, efficient, and cost-effective […]

Start race UI

Building serverless applications with streaming data: Part 2

This post focuses on ingesting data into Kinesis Data Streams. I explain the two approaches used by the Alleycat frontend and the simulator application and highlight other approaches that you can use. I show how messages are routed to shards using partition keys. Finally, I explore additional factors to consider when ingesting data, to improve efficiency and reduce cost.

Node.js 12.x runtime now available in AWS Lambda

We are excited to announce that you can now develop AWS Lambda functions using the Node.js 12.x runtime, which is the current Long Term Support (LTS) version of Node.js. Start using this new version today by specifying a runtime parameter value of nodejs12.x when creating or updating functions. Language Updates Here is a quick primer that highlights […]