LocalStack Blog - DynamoDBNews, tutorials, and insights from the LocalStack team on cloud emulation, product showcases, and local development practices.https://blog.localstack.cloud/Simulating AWS Outages Locally with Chaos Engineeringhttps://blog.localstack.cloud/break-it-till-you-make-it-chaos-engineering/https://blog.localstack.cloud/break-it-till-you-make-it-chaos-engineering/When AWS goes down, will your app stay up? In this tutorial, we’ll use LocalStack’s Chaos API to simulate real-world AWS service outages including DynamoDB throttling, SQS 503 errors, and Lambda latency so you can test your system’s resilience before production ever feels the heat.Thu, 23 Oct 2025 00:00:00 GMTInjecting Chaos into DynamoDB with LocalStackhttps://blog.localstack.cloud/injecting-chaos-into-dynamodb-with-localstack/https://blog.localstack.cloud/injecting-chaos-into-dynamodb-with-localstack/Chaos engineering is a methodology that helps build more resilient cloud-based applications. In this tutorial, learn how to simulate outages using LocalStack's Chaos Dashboard. This hands-on guide walks through injecting failure into a local AWS stack, observing how your app responds, and building confidence in your system's ability to handle the unexpected.Thu, 05 Jun 2025 00:00:00 GMTRunning an RDS Database in AWS - Four Ways to Authenticate Like a Prohttps://blog.localstack.cloud/rds-authentication-from-lambda/https://blog.localstack.cloud/rds-authentication-from-lambda/Discover how to run an RDS database in AWS and LocalStack and connect to it using four secure authentication methods, from basic credentials to IAM tokens and Secrets Manager. This guide will help you streamline local testing while building robust, production-ready serverless applications.Thu, 13 Feb 2025 00:00:00 GMTServerless Best Practices with AWS Lambda PowerToolshttps://blog.localstack.cloud/serverless-best-practices-with-powertools/https://blog.localstack.cloud/serverless-best-practices-with-powertools/AWS Powertools for Lambda encapsulates a wide range of serverless best practices on AWS into easily implementable and reusable libraries. This tutorial shows how to implement some of the key ones and how to run them on LocalStack.Wed, 02 Oct 2024 00:00:00 GMTGetting Started with AWS for Frontend Developershttps://blog.localstack.cloud/aws-for-frontend-devs/https://blog.localstack.cloud/aws-for-frontend-devs/Getting started with AWS can seem overwhelming. This guide aims to give anyone building web applications the overview to understand the building blocks of a web application running in AWS including S3, CloudFront, Lambda, API Gateway and DynamoDB.Wed, 25 Sep 2024 00:00:00 GMT