All deps are quite outdated :)
Backend techs:
Groovy, Spring Boot, Spring Security, Spring REST, Spring Data, MongoDB etc.
Backend is still used by next-ololos-blog
This one is legacy and left out there for history to make lulz in the future :)
Using React 15, Redux, React Router v3, styled-components v2 and server-side rendering with express and hackery.
For latest version please visit next-ololos-blog written using next.js