I wrote this in another comment here, but just so you don't miss it: Don't. Dependencies for the dynamic languages matter A LOT! Take a look at what it'll cost

I wrote this in another comment here, but just so you don't miss it: Don't. Dependencies for the dynamic languages matter A LOT! Take a look at what it'll cost you for requiring the AWS SDK in Node.js, for your cold starts https://theburningmonk.com/2019/03/just-how-expensive-is-the-full-aws-sdk/ https://theburningmonk.com/2019/03/just-how-expensive-is-the... Personal benchmarks puts Rust as the most optimal language that I've tried to run on AWS Lambda so far.