I would rather have a SpringBoot/Jetty based runtime than WildFly for various reasons.
Is there a way to build Keycloak without WildFly as the container?
@jarrodhroberson at the moment the Keycloak server is pretty much based on WildFly runtime. We’ve been working on the Quarkus initiative which will help Keycloak to be more lightweight. But there’s still a road ahead.
You can take a look at our blog post here: https://www.keycloak.org/2019/10/keycloak-x.html