LocalStack

LocalStack

@localstack.cloud

LocalStack is the leading cloud development platform to enable you to develop and test your cloud & serverless applications locally.

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LocalStack
@localstack.cloud

Shared staging: where one team's test run quietly breaks another's. ECI Research on LocalStack for Azure: a single-tenant sandbox per developer, no cloud credentials, and your existing Bicep or Terraform as-is. What's your worst shared-staging story?

LocalStack
@localstack.cloud

We're running a hands-on workshop with the AWS Connected Community. You'll build a coffee-ordering serverless web application and work through event-driven architecture patterns along the way. Register and join us tomorrow! aws-experience.com/amer/smb/e/4...

aws-experience.comServerlesspresso: Building a Scalable and Secure Retail Application with LocalStackIn this workshop, discover how to build a complete coffee-ordering serverless web application. Learn about event-driven architectures and how to use services such as AWS Lambda, Amazon EventBridge, AW...
LocalStack
@localstack.cloud

LocalStack for Azure is now in Public Preview. Build and test Azure apps locally with AKS, Functions, Container Apps, and more. Deploy your existing ARM & Bicep templates without a dev subscription or a cloud bill. Free during the preview. Read more 👇 blog.localstack.cloud/localstack-f...

blog.localstack.cloudLocalStack for Azure is now in Public PreviewRun core Azure services on your own machine. Build and test Azure applications locally, self-serve and free during the preview.
LocalStack
@localstack.cloud

AWS Amplify Gen 2 now runs on LocalStack. Learn how to deploy an Amplify backend to LocalStack, run the frontend against local Cognito and AppSync endpoints, inspect the resources, and iterate on the schema fully locally. 🔗 Tutorial: blog.localstack.cloud/running-ampl...

blog.localstack.cloudRunning AWS Amplify Gen 2 Apps Locally with LocalStackLearn how to deploy an AWS Amplify Gen 2 backend to LocalStack with ampx sandbox, run the React frontend against the local Cognito and AppSync endpoints, inspect the resources Amplify created, and iterate on the schema without an AWS account.
LocalStack
@localstack.cloud

LocalStack for AWS 2026.09.0 is out! 🎉 Highlights include: 📁 S3 Files support for Lambda, ECS & Batch ⚡️ New default DynamoDB & Kinesis engines ⏱️ Timestream scheduled queries & CloudWatch Logs Insights ...and much more! Full details in the release notes 👇 blog.localstack.cloud/localstack-f...

blog.localstack.cloudAnnouncing the LocalStack for AWS 2026.09.0 ReleaseLocalStack for AWS 2026.09.0 adds S3 Files, makes the new DynamoDB and Kinesis engines the default, adds Timestream scheduled queries, and expands CloudFormation update support.
LocalStack
@localstack.cloud

We gave Claude Code the LocalStack MCP server & a CSV export of SaaS billing data, then asked it to build a quarterly Revenue-by-Plan report. It loaded the data, found & fixed 2 bugs & proved the result, without ever touching the real Snowflake cloud! Read more: blog.localstack.cloud/test-snowfla...

blog.localstack.cloudTest Snowflake SQL Locally with Your AI AgentWe gave Claude Code the LocalStack MCP server and a CSV export of SaaS billing data, then asked it to build a quarterly Revenue-by-Plan report on our Snowflake emulator. It loaded the data, found &…
LocalStack
@localstack.cloud

ICYMI: LocalStack now supports AWS Lambda Durable Functions! No need to suffer through slow deploy-and-test loops. You can now test checkpointing, retries, container restarts mid-execution, and callbacks right on your local machine. Check out the tutorial 👇 blog.localstack.cloud/testing-aws-...

blog.localstack.cloudTesting Lambda Durable Functions Locally with LocalStackLearn how to build and test Lambda Durable Functions locally with LocalStack by deploying an order processing workflow with CDK, watching checkpointed steps retry a flaky payment gateway, surviving a…
LocalStack
@localstack.cloud

Your app is local. Your database is local. Auth can be too. 🔐 Test Cognito flows locally with LocalStack, including PKCE, JWT verification, TOTP MFA, and machine-to-machine auth. blog.localstack.cloud/testing-cogn...

blog.localstack.cloudTesting Cognito Authentication Flows Locally with LocalStackLearn how to build and test Cognito flows against LocalStack: the hosted UI with auth code and PKCE, JWT verification against the pool's JWKS in an API Gateway authorizer, TOTP multi-factor auth, and…
LocalStack
@localstack.cloud

Lambda + RDS + Kubernetes + Terraform, all local. ☁️🚫 This 5-minute demo shows how to run a full serverless + database stack with LocalStack + Kind, including Lambda and RDS MySQL as Kubernetes pods. 🎥 youtu.be/Hx0F6hRTENg

youtu.beDeploy LocalStack on Kubernetes in 5 min (video)Run AWS Lambda + RDS Locally on Kubernetes with LocalStack (Kind + Terraform in 5 Minutes) The video shows how to test an AWS Lambda function that queries an RDS MySQL database entirely on a local…
LocalStack
@localstack.cloud

AI agent made a “harmless” infrastructure change. Deploy succeeded. Data disappeared. 😬 With LocalStack MCP + Cloud Pods, the agent detected the loss, rolled back, fixed it, and saved a new checkpoint. Give your AI agent an undo button: blog.localstack.cloud/give-your-ai...

blog.localstack.cloudGive Your AI Agent an Undo Button for AWS StateWe gave Claude Code the LocalStack MCP server and a real AWS CDK app, then made a one-line change that looked harmless, which then silently destroyed the data on deployment. The agent caught it,…
LocalStack
@localstack.cloud

Learn how to build and test Lambda Durable Functions on LocalStack by deploying an order-processing workflow, watching checkpoints retry a flaky gateway, surviving a mid-execution restart, and resuming the workflow with a callback. Read our tutorial 👇 blog.localstack.cloud/testing-aws-...

blog.localstack.cloudTesting Lambda Durable Functions Locally with LocalStackLearn how to build and test Lambda Durable Functions locally with LocalStack by deploying an order processing workflow with CDK, watching checkpointed steps retry a flaky payment gateway, surviving a restart mid-execution, and resuming the workflow with a callback.
LocalStack
@localstack.cloud

We acquired WonderTwin AI. LocalStack has always been about running AWS on your laptop. Now the same idea covers SaaS APIs too. Build the Slack/Stripe/whatever integration locally, test it, then ship. No live API keys, no staging box, no surprise bill. devops.com/localstack-a...

devops.comLocalStack Acquires WonderTwin AI to Gain SaaS App Emulation Platform - DevOps.comLocalStack this week revealed it has acquired WonderTwin AI, a provider of an emulator of software-as-a-service (SaaS) applications.
LocalStack
@localstack.cloud

We asked Claude Code to run a chaos game day against a serverless data pipeline on LocalStack: define a steady state, inject faults, diagnose the failures, fix the pipeline, and prove the fix by replaying the same faults. Read more on how it worked out: blog.localstack.cloud/ask-your-ai-...

blog.localstack.cloudAsk Your AI Agent to Break Your Cloud AppWe asked Claude Code to run a chaos game day against a serverless data pipeline on LocalStack: define a steady state, inject faults into every hop, diagnose the failures from App Inspector traces, fix...
LocalStack
@localstack.cloud

What an incredible time we had at KCDC 2026! 🍻 Huge thank you to everyone who stopped by the LocalStack booth to chat about local cloud development, grabbed some swag, and tuned in for Kiah’s sessions on Chaos Engineering and AWS Kubernetes internals.

LocalStack
@localstack.cloud

Connecting with this community was easily the highlight of our event. 🫶 ☁️ 💻 On behalf of the entire LocalStack team, thank you for making KC so welcoming. We can’t wait to see you all next year!

LocalStack
@localstack.cloud

What happens when you intentionally break a server? Join us at KCDC 2026 to find out! 🕵️ Our very own Kiah Imani is taking the stage for two sessions you can't miss. Come find the LocalStack team at our booth and grab some swag! 🙌 🎁

LocalStack
@localstack.cloud

1️⃣ WTH is Chaos Engineering?! A Quick Look at Breaking Things on Purpose Controlled failure experiments, uncovering system blind spots, and learning how to test chaos locally without blowing up production. 🗓️ Thursday, September 10 ⏰ 10:00 AM – 11:00 AM 📍 Room 2201

LocalStack
@localstack.cloud

2️⃣ WTH Happens When You Deploy to Kubernetes on AWS? A Visual Deep Dive What actually happens under the hood when your manifest hits the EKS control plane down to pod scheduling and load balancer provisioning. 🗓️ Friday, September 11 ⏰ 2:15 PM – 3:15 PM 📍 Room 2204

LocalStack
@localstack.cloud

KCDC 2026 is officially here, and LocalStack is excited to be sponsoring this year’s event in Kansas City! 🍻 Beyond hanging out at the booth, our very own Kiah Imani will be taking the stage for two high-value sessions you won't want to miss. www.kcdc.info/sessions

kcdc.infoSessions — KCDC 2026We are excited to present this set of sessions and hands-on workshops for KCDC 2026. We look forward to seeing you on September 9-11 at the Kansas City Convention Center!
LocalStack
@localstack.cloud

1️⃣ WTH is Chaos Engineering?! A Quick Look at Breaking Things on Purpose 🗓️ Thursday, September 10 ⏰️ 10:00 AM – 11:00 AM 📍 Room 2201 2️⃣ WTH Happens When You Deploy to Kubernetes on AWS? A Visual Deep Dive 🗓️ Friday, September 11 ⏰️ 2:15 PM – 3:15 PM 📍 Room 2204

LocalStack
@localstack.cloud

When Kiah isn't on stage, come find the LocalStack team at our booth. Drop by to grab some swag, ask questions, or talk about local cloud testing and development. See you in KC! 🙌

LocalStack
@localstack.cloud

We're excited to officially launch lstk, the new CLI for working with LocalStack. lstk offers a much better developer experience than the legacy CLI with more intuitive commands, no authentication friction, no python dependencies and more. Learn more here 👉 blog.localstack.cloud/introducing-...

blog.localstack.cloudMeet lstk: A Better Way to Use LocalStack from the CLIMeet lstk, the new recommended LocalStack CLI. One install replaces the localstack CLI, awslocal, and Python dependencies, with browser-based login, unified snapshot management, TOML config, and the…
LocalStack
@localstack.cloud

This post explains what AT Protocol is, why it matters for event-driven apps, and how to build a reusable AWS pipeline for consuming it. We'll also test everything locally on LocalStack before touching a real AWS account. 🍻

LocalStack
@localstack.cloud

Announcing the LocalStack for Snowflake 2026.08.0 Release ❄️ This release improves query status reporting, metadata queries, ordered aggregates, pipes, and tags in the current emulator. Alongside this release, Snowflake-Next is entering preview. blog.localstack.cloud/localstack-f...

blog.localstack.cloudAnnouncing the LocalStack for Snowflake 2026.08.0 ReleaseSnowflake-Next enters preview, while LocalStack for Snowflake 2026.08.0 improves long-running query handling, RESULT_SCAN, ordered aggregates, metadata queries, pipes, and tags.
LocalStack
@localstack.cloud

It is a new generation of the LocalStack for Snowflake emulator and is planned to become the default in the near future. (The preview is separate from the standard 2026.08.0 upgrade and is available by invitation or request.)

LocalStack
@localstack.cloud

You’ll also want to catch our very own Kiah on stage for two incredible sessions: 1️⃣ WTH is Chaos Engineering?! A Quick Look at Breaking Things on Purpose 2️⃣ WTH Happens When You Deploy to Kubernetes on AWS? A Visual Deep Dive See you there! 🫶

LocalStack
@localstack.cloud

Stop handing your AI coding agent AWS credentials and hoping for the best. Prompt an agent to build a serverless API, and it generates code instantly. Only to later spend 20 minutes trying to deploy to your real AWS account or ignoring your Terraform setup. blog.localstack.cloud/stop-prompti...

blog.localstack.cloudStop Prompting Your AI Agent: Build an AWS Development System InsteadStop writing bigger and bigger prompts for your AI coding agent. Learn how to build an AI-native AWS development environment using Cursor Rules, agent skills and plugins, the AWS MCP Server, and…
LocalStack
@localstack.cloud

The problem isn't the model, it's the lack of an environment. To act autonomously, an agent needs a complete AI-Native AWS System: 📏 Rules 🧠 Knowledge 🛠️ Tools/Skills 💻 Environment

LocalStack
@localstack.cloud

Testing Snowflake data pipelines shouldn't require burning cloud credits to check if a query runs. Often, data engineers spin up a remote warehouse, run a quick test on a schema change, cross their fingers 🤞, wait 😵‍💫 , and hope for the best! www.localstack.cloud/localstack-f...

localstack.cloudSafe local environments for every data engineer.Run your queries and pipelines locally with full control over your data workflows, without touching your live Snowflake instance. Eliminate expensive compute costs. Accelerate iteration. Ship without…
LocalStack
@localstack.cloud

LocalStack lets you run Snowflake locally right alongside your emulated AWS stack. Why we make your life easier: 💻 Zero compute costs ➿️ Instant loops 🧪 Full ETL integration Keep your money, skip the wait times, and test your data pipelines on your laptop first with LocalStack for Snowflake.

LocalStack
@localstack.cloud

Why test in the cloud when you can make the exit at LocalStack? 😂 Skip the deploy → wait → debug → repeat loop. Test your AWS workloads locally, break things freely, and ship when you’re actually ready. Your cloud bill will understand. Probably. 🫡

LocalStack
@localstack.cloud

Build container. Push to ECR. Update task. Deploy. Wait. Repeat. 😩 Or…test your Fargate workloads locally. Our latest tutorial walks through a complete SQS → Fargate → DynamoDB workflow with LocalStack, CDK, and integration tests. blog.localstack.cloud/how-to-test-...

blog.localstack.cloudHow to Test AWS Fargate Container Workloads Locally with LocalStackLearn how to test AWS Fargate container workloads locally with LocalStack by deploying a CDK stack that runs a message-driven Go app on ECS Fargate, processing SQS messages into DynamoDB, and…
LocalStack
@localstack.cloud

AWS ships a fleet of MCP servers that let AI agents write IaC, validate it, and invoke Lambda functions. Point them at LocalStack instead of AWS, and an agent can build, harden, deploy & test the app locally. Here is how we wired them up and what happened. blog.localstack.cloud/use-aws-mcp-...

blog.localstack.cloudUsing AWS's Official MCP Servers with LocalStackAWS ships a fleet of official MCP servers that let agents write IaC, validate it, and invoke Lambda functions. Point them at LocalStack instead of real AWS, and an agent can build, harden, deploy, and test the cloud app locally. Here is how we wired them up and what happened.
LocalStack
@localstack.cloud

Stop deploying Terraform to a staging account just to test it. Ammar Ekbote wrote a guide on wiring Terraform to LocalStack, covering provider configuration, endpoint overrides, and a fully working SQS queue. ⚡ No bills. No real resources. No latency. dzone.com/articles/loc...

dzone.comLocalStack and Terraform: A Clean Local AWS Setup GuideLocalStack mocks AWS services locally, while Terraform provisions them. Together, they let you test infrastructure code instantly, without cloud costs or internet.
LocalStack
@localstack.cloud

Are you an open source developer with a community project that could benefit from using LocalStack for development & testing on your local machine & CI? LocalStack offers free licenses for individuals & teams who meet the qualifications. Learn more here: www.localstack.cloud/localstack-o...

localstack.cloudLocalStack Open SourceApply for a free LocalStack Ultimate licenses for open source projects. Emulate AWS & Snowflake locally, eliminate cloud costs, and accelerate CI/CD pipelines.