JWT+Oauth2 http://stytex.de/blog/2016/02/01/spring-cloud-security-with-oauth2/
JWT+Oauth2 https://blog.csdn.net/neosmith/article/details/52539927
JWT_Oauth2 http://www.devglan.com/spring-security/spring-boot-security-oauth2-example
JWT+Oauth2 http://www.baeldung.com/spring-security-oauth-jwt
SpringBoot+SpringData+React: https://stormpath.com/blog/crud-application-react-spring-boot-user-authentication
Nodejs+React.js+MongoDB: http://sahatyalkabov.com/create-a-character-voting-app-using-react-nodejs-mongodb-and-socketio/