OIDC tied to a LDAP directory is generally how you setup authentication for larger numbers of users. It really isn't that hard and has a dozen or so solutions w

OIDC tied to a LDAP directory is generally how you setup authentication for larger numbers of users. It really isn't that hard and has a dozen or so solutions with sensible config and operational footprints. Here is an example of how to do this (OIDC). Notice the short and concise documentation on how to set this up. It isn't too bad at all if you're running your own apiserver already: https://github.com/heptiolabs/gangway https://github.com/heptiolabs/gangway