#MiniStack 1.4.0 is here: Multi-region support, Bedrock and MSK
About us
50+ AWS services on a single port. S3, DynamoDB, Lambda, EC2, SQS, Step Functions, and more running locally with real Postgres, Redis, and Docker containers. 900+ integration tests. Full Terraform compatibility. MIT licensed, no account required, no telemetry. Start in under a second.
- Website
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www.ministack.org
External link for Ministack
- Industry
- Technology, Information and Internet
- Company size
- 11-50 employees
- Headquarters
- Dublin
- Type
- Nonprofit
- Founded
- 2026
Locations
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Primary
Get directions
Dublin
Dublin, IE
Updates
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We've been featured in AWS 4x4 about how we built Ministack from scratch
I'm fully committed to this week's 4x4! Well, in reality, I can most likely push it, pull it, branch it, and always deploy it on a pipeline. That's why this week's 4x4 on AWS Builder Center highlights 4 community picks and 4 AWS picks on Developer Tools on AWS. Real implementations, real productivity gains, built by builders like you. On the Community side: Kento Ikeda breaking down the architecture layers that S3 Files eliminates (and creates), Paul Santus sharing tips on getting AI agents to reliably generate large structured data, Carlos Biagolini configuring tool auto-approval in Kiro CLI with custom agents, and Nahuel Alejandro Nucera exploring the AWS docs MCP server behind MiniStack. On the AWS side: The new Agent Toolkit for AWS with open-source skills for SDK best practices, how AWS DevOps Agent uses multi-agent reasoning to find root causes, AWS CDK Mixins for composable resource abstractions, and CloudFormation's new Fn::GetStackOutput for simplified cross-account and cross-Region references. Congrats to this week's winners 🎉 🔗 Link in comments What developer tools content has caught your eye recently? Drop it below. #AWS #AWSCommunityBuilders #DeveloperTools #DevOps #AWSCDK #Community
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Check how AWS community builders are using Ministack
Heyo, it's been a while since my last post, so I just dropped my first AWS Builder Centre post, about how to run AWS local for $0/day (LocalStack vs my free Ministack swap vs the new AWS Blocks), real commands + warts there's no place like localhost:4566 xD https://lnkd.in/dvKD7B56 #aws #cdk #localstack
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Today I learned: Ministack emulates IoT Core 💡
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👀 Our pip package just crossed 1MB. Almost at the same time, we hit 3000 stars on GitHub. Thanks to everyone making this awesome emulator, while keeping it truly *mini*. Let's see if we hit 2MB with the next 60 services ❤️ #ministack Amazon Web Services (AWS) #aws #devops #python #devs
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MiniStack now emulates MWAA. Develop and test Airflow DAGs locally, skip the $353/month 🪁 🪁 🪁 MWAA costs $353/month. That's $0.49/hour, 24/7, just for the environment to exist. Whether you're actively developing DAGs, running tests in CI, or doing nothing at all; you pay. MiniStack now emulates MWAA. You can develop and validate Airflow DAGs locally. DAG structure, task routing, API calls on a single Docker container. No AWS environment needed until you deploy to production. If you had a dedicated MWAA environment for development and testing, that's $353/month you no longer need. And MWAA is just one piece. Here's what a full integration test suite actually costs on AWS. 🪁 https://lnkd.in/eWMJenjt 👇
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Did you know Ministack has an integrated UI dashboard? Umanda wrote a nice article about how to use StackPort with Ministack 👇
While working on a new API project at work, our team needed a way to test AWS CDK infrastructure without deploying to a real AWS account every time. We came across two open-source tools that made a real difference: Ministack and StackPort. - Ministack is a local AWS-compatible mock server that runs in Docker. It supports 80+ AWS services: CloudFormation, ECS, ECR, IAM, DynamoDB, ALB, and more, so you can run your full CDK deploy workflow locally. - StackPort is a browser UI that connects to Ministack, letting you browse all your locally created resources; just like the AWS Console, but for your local environment. Both tools are completely free and open source. Unlike some alternatives, there's no paid tier to worry about. Does it cover every AWS service? Not yet. But with 80+ services supported and the project growing fast, it's more than enough to get real value out of it today. I wrote a step-by-step guide on how to set this up with AWS CDK on my Medium blog. If you're doing any cloud infrastructure work, I think you'll find it useful. 👉 https://lnkd.in/gEggH7ZV #AWS #CDK #DevTools #CloudEngineering #OpenSource #Infrastructure
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--- pip install ministack ministack --- That is the entire install. If your workflow is Terraform, CDK, or AWS CLI validation, the pip install alone is enough. MiniStack runs the control plane for supported #AWS services as a single local Python process, with no Docker daemon required. Docker is only used for the paths that actually need a runtime environment: - Executing Lambda functions - Running Postgres / Redis containers - Spinning up k3s for EKS Everything else stays lightweight and in-process.
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Hey check this out 👇
LocalStack is no longer free. Ministack is. And now it runs EKS locally too! ⚡️ I haven't tried it yet, but v1.2.20 looks serious!! Ministack runs real infrastructure: • RDS spins up actual Postgres or MySQL containers • ElastiCache runs Redis • ECS launches real Docker containers via the Docker socket • EKS is now in the mix! 🎉 41 AWS services total with ~2s startup, only~30MB RAM idle and a 250MB Docker image! MIT licensed too, no feature gates 👀 If you've been duct-taping together k3s or k3d alongside your AWS local dev setup, this might be worth a look 😎 Link to the project 🔗 https://ministack.org
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