Explore a hands-on introduction to LocalStack, a fully functional local AWS cloud stack, in this 47-minute conference talk from EuroPython 2022. Discover how to develop cloud applications entirely on your local machine, reducing development and test cycles from minutes to seconds. Engage with interactive live coding demonstrations showcasing common scenarios and use cases, including local debugging of Lambdas and containerized applications. Learn about advanced features that can significantly improve productivity and team collaboration patterns. Gain insights into LocalStack's integration with various tools, from Infrastructure as Code frameworks to application frameworks and AWS-provided tools. Conclude with a deep dive into LocalStack's Python internals, revealing interesting architectural patterns and hidden gems.