So you have fantastic ArgoCD or mind-boggling ArgoWorkflows (this guide covers both), and if you want to secure the Authentication with AWS Cognito, let's dive right in.
I found many different sources unveiling some pieces of the required configuration but no resources where one can see the whole picture. I hope this guide will be one of such places. This guide will mean no DEX usage, just rely on Argo's built-in OpenID Connect flow.