---
id: localstack
version: "2026.7.1"
license: Apache-2.0
license_treatment: permissive
maintenance: abandoned
---

# localstack — The LocalStack Command Line Interface

License: permissive · Maintenance: abandoned · Downloads: 787.7K/mo

## What it is and what it does

LocalStack is a command-line interface for running a local AWS cloud service emulator. It lets you spin up mock versions of AWS services in Docker containers on your machine, so you can develop and test cloud applications without deploying to real AWS or incurring costs.

The tool manages the lifecycle of these emulated services through simple commands: start the stack, check service status, and stop when done. It's commonly used in local development workflows and CI/CD pipelines to validate cloud application behavior in isolation. The package depends on Docker for containerization and includes utilities for configuration, authentication simulation, and service management.

Use it for:

- Develop AWS Lambda functions locally without deploying to real AWS
- Test S3 bucket operations and DynamoDB queries in isolation during development
- Run integration tests in CI pipelines that exercise cloud service interactions
- Prototype multi-service cloud architectures on a single machine before deployment
- Avoid AWS charges during development and testing cycles

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

LocalStack is a command-line tool that emulates AWS cloud services locally, allowing you to develop and test cloud applications on your laptop or in CI without hitting real AWS.

Yes, if you actively develop AWS-based applications and need local testing—the low install friction and permissive license make it accessible. However, the abandoned maintenance status (archived repo, last commit 2026-03-23) is a significant concern: verify that the version you need is stable and that PYSEC-2023-243 does not affect your use case.

## Install

pip install localstack
uv add localstack
poetry add localstack

## Installing localstack

Before you install: Low friction install with a pure-Python wheel, but the repository is marked archived and maintenance status is abandoned as of the latest release 17 days ago. The last commit was 2026-03-23.

License in practice: Licensed under Apache-2.0 (permissive), so you can use, modify, and distribute it freely in commercial and private projects without restriction.

Quickstart:

pip install localstack
localstack start
localstack status services
localstack stop

Requires Docker to be installed and running; Python >= 3.10

Verify before relying:

- Whether the archived repository status means active maintenance has ceased or if development continues elsewhere
- Current status of PYSEC-2023-243 vulnerability and whether it affects this version
- Whether high download volume reflects active ongoing use or legacy adoption

## Package facts

- License: Apache-2.0 (permissive)
- Python support: supports_current
- Install friction: low
- Maintenance: abandoned
- Downloads: 787.7K/month (top 15,000 on PyPI)
- Known vulnerabilities: 1

## Tags

AWS local emulator, cloud service mock testing, local AWS development, docker-based cloud testing, CI/CD cloud simulation, aws-emulation, local-development, docker-based

[View on SkillFed](https://skillfed.io/packages/localstack) · [View on PyPI](https://pypi.org/project/localstack/)