To do installation of backend part in quickest way possible we would rely on Docker & Docker Compose.
Some hosting provide VPS with Docker preinstalled. For example DigitalOcean Droplets.
Install Docker step can be skipped if you get your hosting with docker preinstalled.
You can refer to following link for docker installation in Ubuntu 16.04 & 18.04. It is also possible to install Docker on Windows Servers or any other Linux Distribution.
Run following command:
wget http://ridy.io/docker-compose.yaml && docker-compose up -d
After a few seconds docker starts up all services required and you should be able to access dashboard from your IP Address and port 8080.