Thanks for the feedback. Does it have full Wildfly capabilities like JMS ?
Undertow is an HTTP server so no JMS there.
WildFly depends on a lot of libraries, while it can be embedded creating an uberjar for this is going to be a challenge.
Maybe thorntail (formerly wildfly-swarm) can satisfy your requirements.
It has support for ActiveMQ Artemis by default.
Take a look at: