Beta version has already deployed on AWS beanstalk and you can try it
http://soulsnet-prod.eba-vueny8jp.eu-central-1.elasticbeanstalk.com
For test you need to have your own google account.
Client-side — Vue.js, Thymeleaf as templating engine + SockJS for work with WebSockets.
Yarn as package manager and Webpack as build system.
Server-side — Spring (Boot, Data, MVC, Security) + STOMP for work with WebSockets and oAuth2 protocols.
Gradle for work with dependencies and packaging.
Database Postgres.