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Build and Test AWS Lambda Extensions Locally with LocalStack
TUTORIAL

Build and Test AWS Lambda Extensions Locally with LocalStack

Learn how to build a custom AWS Lambda extension using the Extensions API. This tutorial walks through creating an audit-log extension that tracks every invocation and writes a report to S3, deployed and tested locally on LocalStack.

Catch AWS Cost Issues Before They Ever Hit Your Pipeline
TUTORIAL

Catch AWS Cost Issues Before They Ever Hit Your Pipeline

How to shift cost policy left into your local development workflow using CloudBurn and LocalStack, with a pre-commit hook that tells you whether your IaC changes made things better or worse before you commit.

Running LocalStack in Jenkins for end-to-end AWS integration tests
TUTORIAL

Running LocalStack in Jenkins for end-to-end AWS integration tests

Learn how to wire LocalStack into a Jenkins pipeline to run AWS integration tests for a serverless application, covering plugins, credentials, agent tooling, networking, and a full Jenkinsfile you can drop into your repository.

The 7 steps between 'kubectl apply' and a running a pod
SHOWCASE

The 7 steps between 'kubectl apply' and a running a pod

You've run kubectl apply a thousand times. But what actually happens? This post breaks down the full Kubernetes deployment lifecycle, every component, every handoff, and shows you how to watch it happen live with LocalStack.

I Tried App Inspector...and You Won't Believe What Happened Next!
SHOWCASE

I Tried App Inspector...and You Won't Believe What Happened Next!

App Inspector is LocalStack's built-in observability layer that shows you every AWS API call, IAM permission evaluation, and full request/response payload your app makes locally, before it ever hits a real AWS account.

Introducing App Inspector: The Observability Layer for Local Cloud Development
NEWS

Introducing App Inspector: The Observability Layer for Local Cloud Development

App Inspector gives engineering teams full transparency within their local development environment by continuously monitoring your emulated AWS environment to surface hidden issues, helping your team understand what is happening, where, and why.

Launch yourself in the world of local cloud development