⚡ We are thrilled to announce LocalStack 2.1 which brings new features, enhancements and bugfixes ⚡

LocalStack provides an easy-to-use test/mocking framework for developing cloud applications.

Overview • Install • Example • Run • Usage • Releases • Contributing
📖 Docs • 💻 Pro version • ☑️ LocalStack coverage

Overview

LocalStack is a cloud service emulator that runs in a single container on your laptop or in your CI environment. With LocalStack, you can run your AWS applications or Lambdas entirely on your local machine without connecting to a remote cloud provider! Whether you are testing complex CDK applications or Terraform configurations, or just beginning to learn about AWS services, LocalStack helps speed up and simplify your testing and development workflow.

LocalStack supports a growing number of AWS services, like AWS Lambda, S3, Dynamodb, Kinesis, SQS, SNS, and many more! The Pro version of LocalStack supports additional APIs and advanced features. You can find a comprehensive list of supported APIs on our ☑️ Feature Coverage page.

LocalStack also provides additional features to make your life as a cloud developer easier! Check out LocalStack's Cloud Developer Tools for more information.

Requirements

python (Python 3.7 up to 3.11 supported)
pip (Python package manager)
Docker

Installing

The easiest way to install LocalStack is via pip:

pip install localstack

This installs the localstack-cli which is used to run the Docker image that hosts the LocalStack runtime.

Important: Do not use sudo or run as root user. LocalStack must be installed and started entirely under a local non-root user. If you have problems with permissions in macOS High Sierra, install with pip install --user localstack

Example

Start LocalStack inside a Docker container by running:

 % localstack start -d

     __                     _______ __             __
    / /   ____  _________ _/ / ___// /_____ ______/ /__
   / /   / __ \/ ___/ __ `/ /\__ \/ __/ __ `/ ___/ //_/
  / /___/ /_/ / /__/ /_/ / /___/ / /_/ /_/ / /__/ ,<
 /_____/\____/\___/\__,_/_//____/\__/\__,_/\___/_/|_|

 💻 LocalStack CLI 2.0.0

[20:22:20] starting LocalStack in Docker mode 🐳
[20:22:21] detaching

You can query the status of respective services on LocalStack by running:

% localstack status services
┏━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━┓
┃ Service                  ┃ Status      ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━┩
│ acm                      │ ✔ available │
│ apigateway               │ ✔ available │
│ cloudformation           │ ✔ available │
│ cloudwatch               │ ✔ available │
│ config                   │ ✔ available │
│ dynamodb                 │ ✔ available │
...

To use SQS, a fully managed distributed message queuing service, on LocalStack, run:

% awslocal sqs create-queue --queue-name sample-queue
{
    "QueueUrl": "http://localhost:4566/000000000000/sample-queue"
}

Learn more about LocalStack AWS services and using them with LocalStack's awslocal CLI.

Running

You can run LocalStack through the following options:

Usage

To start using LocalStack, check out our documentation at https://docs.localstack.cloud.

To use LocalStack with a graphical user interface, you can use the following UI clients:

Releases

Please refer to GitHub releases to see the complete list of changes for each release. For extended release notes, please refer to the LocalStack Discuss.

Contributing

If you are interested in contributing to LocalStack:

Start by reading our contributing guide.
Check out our developer guide.
Navigate our codebase and open issues.

We are thankful for all the contributions and feedback we receive.

Get in touch

To get in touch with LocalStack team for bugs/feature requests, support questions or general discussions, please use:

Contributors

We are thankful to all the people who have contributed to this project.

Backers

We are also grateful to all our backers who have donated to the project. You can become a backer on Open Collective.

License

This version of LocalStack is released under the Apache License, Version 2.0 (see LICENSE). By downloading and using this software you agree to the End-User License Agreement (EULA). To know about the external software we use, look at our third party software tools page.

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