@Stateless EJBs are an interesting component to be used as JAX-RS resource. They come with out-of-the-box method monitoring:
Are you interested in monitoring and microservices? Checkout javaeemicro.services
Web Apps, SPA, PWA with vanilla Java Script (ES 6+), CSS 3 and WebStandards only. As simple as possible, but not simpler. See you at: (Progressive) Web apps, Single Page Apps and WebStandards airhacks workshops at MUC airport, Winter Edition
airhacks.fm the podcast:
Stay in touch: airhacks.news.