[neetcode22]

100% agree with you. I've gone through the entire journey of experimenting + building my own authentication to using a reliable open source solution.

Been using this passwordless login recipe by supertokens for my recent projects: https://supertokens.com/docs/passwordless/introduction

Re-inventing the wheel calls for a lot more than usually anticipated. Best to keep it simple - and if you do end up innovating might as well open source it or contribute to an already popular OS solution.