I found this book useful: https://www.keycloak.org/2021/06/book.adoc https://www.keycloak.org/2021/06/book.adoc. Little bit dated because Keycloak is moving so

I found this book useful: https://www.keycloak.org/2021/06/book.adoc https://www.keycloak.org/2021/06/book.adoc. Little bit dated because Keycloak is moving so fast now. But concepts never get old.