I’ve worked out how to convert a local Flask app to AWS Lambda without having to involve extra modules, vendors, or middleware. Introduction Moving products from a prototype to a deployment can be tricky. In particular, I find myself writing small Flask apps for every little problem, and trying to deploy them to Lambda involves putting an entire layer of abstraction on top of them. Surveying the landscape, there seems to be one model of providing a developer a CLI tool that builds and deploys the entire project: