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Starting on March 23, 2026, LocalStack for AWS will consolidate into a single image that requires authentication. Learn more about what’s changing and what this means for your setup in this blog post.

Overview

LocalStack supports messaging and event-driven architectures by integrating with services like Amazon MSK (Managed Streaming for Apache Kafka). This section explains how to connect LocalStack with a self-managed Kafka cluster for local development and testing of stream-based applications.

Use this setup to simulate production-like messaging flows, without relying on managed cloud infrastructure.