With each release of LLRT (Low Latency Runtime for Lambda), I've tried to use it to run my production API and failed. Recently I took a different approach and navigated the last few hurdles to migrate my API from Node 22 to LLRT. In this post, I'll share how I did it, the challenges I faced, and some benchmarks.
I've written a few articles on how to get faster coldstarts with Lambda, the AWS JavaScript V3 SDK and the Node runtime. It's time to put them all together and show you the Cloud Development Kit (CDK) configuration I use to achieve the fastest coldstarts with the AWS JavaScript V3 SDK and Node 22.
Last year I migrated the Speedrun API from the Serverless Framework V3 to the Cloud Development Kit (CDK). At the same time, I migrated from API Gateway to CloudFront. In this post I'll describe the process, provide a simple application for you to migrate to practice with and share some thoughts about Serverless V3 vs. CDK.
I was left unsupervised for another year with a keyboard. I Entered several rabbit holes, I Cmd+Ced (copied or quit depending on context) and I Escd from an escape room. Let's see what I wrought in the last year.