Local Debugging for Lambda Functions via new Lambda Debug Mode
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Debugging serverless functions has always been challenging, often requiring repeated invocations, extensive log tracing, and cloud deployments to diagnose an issue. The new Lambda Debug Mode in LocalStack changes this by allowing developers to debug AWS Lambda functions directly in their IDE, with breakpoints, variable inspection, and step-through execution, without leaving their local environment.
In this presentation, Marco Edoardo Palma provides a hands-on demo of Lambda Debug Mode—from debugging standalone functions to handling multi-function workflows. Learn how this developer-first approach makes debugging serverless applications faster, smoother, and more intuitive.
Resources
Documentation: https://docs.localstack.cloud/user-gu...
Samples: https://github.com/localstack-samples...
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Chapters
0:00 Introduction
0:57 What is Lambda Debug Mode?
2:45 How to configure it?
5:05 Demo: Lambda Debug Mode & Hot Reloading
25:03 Conclusion
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