'API-first' generally refers to making the API for an application a first-class citizen. To process purists, it also means designing and developing the API as the first step. As newer Elixir/Phoenix developers, we are iterating toward that ideal as we stumble along and learn how to build an API to support our native phone apps.

Outdated and incomplete content is not unique to tutorials; it's a ubiquitous problem that we may help solve some day. In the meantime, here are some crucial tips to making custom domains work with a Phoenix LiveView app hosted on Fly.io