About this episode
In this episode, we celebrate AWS Lambda's 9th birthday by taking a deep dive into Lambda runtimes. We discuss how Lambda works, compare official runtimes vs. custom runtimes, and explain when and why building a custom runtime might be worth the effort. We talk through how custom runtimes work, options for deploying them, and potential use cases where they could be beneficial over standard runtimes.
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In this episode, we mentioned the following resources:
The original announcement launching AWS Lambda in 2014: https://aws.amazon.com/about-aws/whats-new/2014/11/13/introducing-aws-lambda/
List of official Lambda runtimes: https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html
Library implementing the Rust runtime: https://github.com/awslabs/aws-lambda-rust-runtime
Library implementing the Go runtime: https://github.com/aws/aws-lambda-go/
Library implementing the C++ runtime: https://github.com/awslabs/aws-lambda-cpp
Third-party PHP runtime (Bref): https://bref.sh/
Third-party Swift runtime: https://github.com/swift-server/swift-aws-lambda-runtime
Official documentation on how to build a custom runtime: https://docs.aws.amazon.com/lambda/latest/dg/runtimes-custom.html
An official tutorial on how to build a custom runtime: https://docs.aws.amazon.com/lambda/latest/dg/runtimes-walkthrough.html
List of all the environment variables available to a runtime: https://docs.aws.amazon.com/lambda/latest/dg/configuration-envvars.html#configuration-envvars-runtime
Lambda Re
