Pretty neat, it takes 14 lines of code to get
@letsencrypt working on a Node.js instance
with auto cert registration and renewal using greenlock-express!
https://github.com/coderbyheart/nrfcloud-udp-proxy/blob/9f7a3d292eca9d051c9bac001b50d8f6cb4eeadf/src/uiserver/https.ts