An article about architectures, J2EE (WLS) and MDA notion which I wrote for ObjectSpektrum about 2 years ago (german language). The described architecture is still valid for JEE5 applications (but can be simplified) and already used in about 30-40 projects...
Cloudy Jakarta EE and MicroProfile: Microservices, Clouds and Beyond Jakarta EE / MicroProfile airhacks workshops at MUC airport, Winter Edition
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