OAuth, OIDC, validators, what is all this about? (opens in new tab)

Somebody might tell you, “let’s configure PostgreSQL 18 with OIDC, it should be simple, only takes a few minutes!” And that might be the case if you already have an OIDC provider set up and know all the details about the protocols, configurations, and possible issues. Or it might take much longer if you just open your favorite search engine and type “What is this OIDC stuff about?” In this series of blog posts, I’ll try to help with this task. First, by clearing up all the terminology and det...