This week's book giveaway is in the Cloud/Virtualization forum. We're giving away four copies of Learning OpenStack Networking: Build a solid foundation in virtual networking technologies for OpenStack-based clouds and have James Denton on-line! See this thread for details.
Generally speaking, that's a good news; it shouldn't be unexpected because IBM is a supporter of Microprofile initiative.
Nevertheless, personally I think that I would choose Spring Boot for a microservices based application. I think that at the moment it's the most mature java-based option in that context.