# AWS launches official local emulator for its services

> AWS’s new Rust‑based emulator lets developers run tests against a local clone of many AWS services, but it currently needs Docker on macOS and Windows.

Oossa · 2026-11-11 · https://oossa.com/en/aws-launches-official-local-emulator-for-its-services

AWS announced an official emulator that mimics dozens of its cloud services for local testing. The tool is written in Rust and saw 29,684 commits in its first three weeks, according to the author. It runs inside Docker on macOS or Windows, and the author hopes a single‑binary version will arrive later.

## The facts

- AWS released the emulator on 11 November 2026.
- The project logged 29,684 commits in its first three weeks.

## Why it matters

It lets developers test AWS integrations without needing paid API keys or remote resources.

## Sources & references

1. [aws-emulator](https://simonwillison.net/2026/Nov/11/aws-emulator/) – Simon Willison, 2026-11-11

Last updated: 2026-11-11