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
LocalStack is the leading cloud development platform to enable you to develop and test your cloud & serverless applications locally.
LocalStack for AWS 2026.08.0 is here 🚀 Lambda Durable Functions, CloudFront Functions, native ELBv2 by default + more AWS improvements. See what shipped blog.localstack.cloud/localstack-f...
Announcing the LocalStack for AWS 2026.08.0 Release
LocalStack for AWS 2026.08.0 adds Lambda Durable Functions, CloudFront Functions with KeyValueStore, the native ELBv2 provider by default, broader Verified Permissions and RDS coverage, OpenSearch…
blog.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-...
How to Test AWS Fargate Container Workloads Locally with LocalStack
Learn 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…
blog.localstack.cloud
You run kubectl apply. Kubernetes says configured. Then a pod appears. What happened in between? Join Kiah Imani on Aug 26 at 16:00 CEST for What the YAML?! — a walkthrough of Kubernetes deployment at every stage, all on LocalStack. 🔗 www.localstack.cloud/events/what-...
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-...
Using AWS's Official MCP Servers with LocalStack
AWS 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.
blog.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...
LocalStack and Terraform: A Clean Local AWS Setup Guide
LocalStack mocks AWS services locally, while Terraform provisions them. Together, they let you test infrastructure code instantly, without cloud costs or internet.
dzone.com
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 Open Source
Apply for a free LocalStack Ultimate licenses for open source projects. Emulate AWS & Snowflake locally, eliminate cloud costs, and accelerate CI/CD pipelines.
localstack.cloud
What if you could take a production bug report, hand it to Claude Code + the LocalStack MCP server & it would deploy, reproduce the failure, fix the pipeline, & prove the fix, all without touching AWS? Total cost $4.60 in tokens & 17 mins. Details: blog.localstack.cloud/give-your-co...
Give Your Coding Agent a Real Cloud to Break
We gave Claude Code the LocalStack MCP server and a production bug report about a broken dead-letter queue, then watched it deploy, reproduce the failure from App Inspector traces, fix the pipeline,…
blog.localstack.cloud
Code execution sandboxes for AI agents let them run safely, but don't contain cloud infrastructure. LocalStack is an infrastructure sandbox with fully emulated services to build/test/iterate as if on the real cloud but without real-cloud problems. Learn more: blog.localstack.cloud/ai-agent-san...
LocalStack as an AI Sandbox
AI agents are getting capable enough to provision infrastructure and execute code with real consequences. Here's a taxonomy of AI sandboxes and where LocalStack fits as the missing cloud…
blog.localstack.cloud
Missed our July Community Meetup? Learn how to make your local cloud environments reproducible with: ✅ Persistence ✅ Cloud Pods ✅ State files ✅ MCP + AI for managing cloud state Perfect for debugging, onboarding, collaboration, and CI. 📽️ www.youtube.com/watch?v=emwt...
Making your AWS cloud environment state persistent
Recreating the unique state of a cloud app environment is notoriously complex, making it difficult to diagnose bugs, collaborate with teammates, or even just pick up where you left off. Join us as we…
youtube.com
LocalStack as an AI Sandbox AI agents are getting capable enough to provision infrastructure and execute code with real consequences. Here's a taxonomy of AI sandboxes and where LocalStack fits as the missing cloud infrastructure layer. 🧩 ☁️ blog.localstack.cloud/ai-agent-san...
LocalStack as an AI Sandbox
AI agents are getting capable enough to provision infrastructure and execute code with real consequences. Here's a taxonomy of AI sandboxes and where LocalStack fits as the missing cloud…
blog.localstack.cloud
Dangling cloud resources are the silent killer of AWS budgets and CI/CD pipelines. www.youtube.com/watch?v=sTHA...
Using LocalStack in Continuous Integration pipelines
Running cloud integration tests in CI against real AWS can be slow, expensive, and hard to debug. Deployments take minutes to hours, costs add up across every pipeline run, and staging environments…
youtube.com
Learn how to test Service Control Policies with LocalStack: ☁️ build local AWS org ☁️ attach guardrails to sandbox account ☁️ read denial messages naming exact policy ☁️ simulate SCP conditions before reaching PROD blog.localstack.cloud/testing-aws-...
Testing AWS Service Control Policies Locally with LocalStack
Learn how to test Service Control Policies with LocalStack by building a local AWS organization, attaching guardrails to a sandbox account, reading denial messages that name the exact policy, and…
blog.localstack.cloud
"It works on my machine" is the biggest lie in cloud development. 🤫 You write the code, mock the AWS SDK, and watch your unit tests pass with flying colors. Then you merge, deploy to staging, and it immediately breaks. Why? Because mocking AWS services locally doesn't replicate cloud behavior.
No product launch today. Just a reminder that some birthdays are, statistically speaking, more important than others. Happy Leo season. 🦁🎉
Missed our latest live demo sesh? We explored how to make local cloud environments reproducible using LocalStack Persistence, Cloud Pods, state files, and our new MCP integration. If debugging or reproducing CI issues has ever been a headache, this session is worth a watch. youtu.be/emwtfoO71wo
Making your AWS cloud environment state persistent
Recreating the unique state of a cloud app environment is notoriously complex, making it difficult to diagnose bugs, collaborate with teammates, or even just pick up where you left off. Join us as we…
youtu.be
LocalStack for Snowflake 2026.07.0 is out! ❄️ * Improves persistence across container restart * Updates transaction handling for DDL statements * Better query translation in dbt models & workloads using CTEs, aggregate aliases, UNPIVOT, QUALIFY, UNION ALL blog.localstack.cloud/localstack-f...
Announcing the LocalStack for Snowflake 2026.07.0 Release
LocalStack for Snowflake 2026.07.0 fixes persistence across restarts and improves compatibility for dbt workflows, DDL transactions, CTEs, UNPIVOT, QUALIFY, and JavaScript stored procedures.
blog.localstack.cloud
Your AI agent doesn't need access to your real AWS account. The new Pydantic AI Harness integration with LocalStack gives agents a local AWS environment to create buckets, queues, tables, and more without touching production. Faster. Safer. No cloud bill. pydantic.dev/articles/har...
Running AI agents against emulated AWS with Pydantic AI Harness and LocalStack
Pair the LocalStack capability with DynamicWorkflow so a fan-out of Pydantic AI sub-agents each gets its own disposable, emulated AWS: build and test a rate-limiter design tournament in parallel, for…
pydantic.dev
🚀 LocalStack for AWS 2026.07.0 is out! What's new? 🌐 Step Functions HTTP Tasks 🗄️ Aurora DSQL CloudFormation support 🔁 ECS service scheduler 🧱 CloudFormation updates for 50+ resources ⚡ Replicator, EKS, IoT & RDS enhancements Full release notes 👇 blog.localstack.cloud/localstack-f...
Announcing the LocalStack for AWS 2026.07.0 Release
LocalStack for AWS 2026.07.0 adds Step Functions HTTP Tasks, Aurora DSQL CloudFormation and SQL dialect support, an ECS service scheduler, expanded AWS Replicator coverage, and CloudFormation update s...
blog.localstack.cloud
Learn how to test S3 replication with LocalStack by configuring a cross-region replication rule, catching an under-privileged replication role with IAM enforcement before it ships, and validating the whole flow on a local machine. Read our tutorial 👉 blog.localstack.cloud/testing-s3-r...
Testing S3 Replication Jobs Locally with LocalStack
Learn how to test Amazon S3 replication with LocalStack by configuring a cross-Region replication rule, catching an under-privileged replication role with IAM enforcement before it ships, and validati...
blog.localstack.cloud
Join us next week for an interactive session on LocalStack’s powerful state management and persistence features. We will explore how to maintain, snapshot, and seamlessly share your local cloud environments. Register here 👉 lnkd.in/d6TXrbRG
Tired of fighting with IAM permission issues only *after* you've deployed to the cloud? IAM Policy Stream is a feature of LocalStack that let's you easily find and debug IAM permissions issues in your application before you deploy. Learn more in our docs: docs.localstack.cloud/aws/develope...
We've made it super quick and easy to set your AI agent up to use LocalStack as a safe cloud sandbox for AWS development and testing. Just visit this page, copy/paste the command into your agent, and start building! blog.localstack.cloud/ai/
Do you know the cost impact when you're making changes to your AWS infrastructure in IaC? In a recent post, Brian looked at how to use a tool called CloudBurn alongside LocalStack to preemptively catch potential cost regressions in your IaC *before* they hit AWS blog.localstack.cloud/managing-clo...
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…
blog.localstack.cloud
Security blocked /var/run/docker.sock on Jenkins? Our new guide shows how to run LocalStack using Docker-in-Docker (DinD) for isolated, secure local cloud testing on every build. 👇 blog.localstack.cloud/running-loca...
Running LocalStack on Jenkins with Docker-in-Docker
Learn how to run LocalStack on Jenkins with Docker-in-Docker when Docker socket mounting is unavailable, using an isolated DinD daemon for CI integration tests.
blog.localstack.cloud
Run Airflow and dbt pipelines on Snowflake locally with LocalStack 🙌 ❄️ Learn how to orchestrate dbt pipelines on the Snowflake emulator with Apache Airflow and Astronomer Cosmos, using LocalStack's MWAA emulator. blog.localstack.cloud/run-airflow-...
Run Airflow and dbt pipelines on Snowflake locally with LocalStack
Learn how to orchestrate dbt pipelines on the Snowflake emulator with Apache Airflow and Astronomer Cosmos using LocalStack's MWAA emulator to run seeds, models, and validation queries locally.
blog.localstack.cloud
👻 Big News: Our Kiro Power is Live! If you haven’t checked out 👻 Kiro.dev, it’s redefining software engineering by moving beyond basic AI chatbots into agentic, spec-driven development. We just built our new Kiro Power... now available on the registry! 🫰 kiro.dev/powers/#loca...
Powers
Extend Kiro's capabilities with community-built powers. Browse MCP servers, agent steerings, and automation hooks to enhance your development workflow.
kiro.dev
AI agents are writing your infrastructure code. But how are you testing it safely? That was the #1 question dominating our conversations with over 16,000 developers and tech leaders at AWS Summit NYC. blog.localstack.cloud/what-aws-nyc...
What AWS Summit NYC 2026 Told Us About Agentic AI
One theme kept coming up in nearly every one of the hundreds of conversations we had at AWS Summit NYC: AI agents are already writing infrastructure code, and engineering teams are still figuring out…
blog.localstack.cloud
Did you know LocalStack works with your AI agent? 🤖 LocalStack now fully integrates with AI agents via the Model Context Protocol (MCP. This gives your agent a sandboxed, zero-cost, local AWS environment to build and test in. blog.localstack.cloud/ai/
LocalStack for AI Agents
Let your AI agent set up and operate LocalStack. Copy one prompt, hand it to your agent, and start building locally against AWS services.
blog.localstack.cloud
One of the hardest parts of building on AWS? The service-to-service guessing game. 😅 Bring observability to your local cloud environment and stop debugging in the dark. 🔦 docs.localstack.cloud/aws/develope...
App Inspector
App Inspector is a LocalStack tool designed to enhance system observability by enabling users to view, collect, and inspect data exchanges, including event payloads and metadata, between AWS services.
docs.localstack.cloud