Prerequisites for Installation process

Prerequisites to install cQube:

ubuntu 18.04 (supported)
32GB of System RAM (minimum requirement)
8 core CPU (minimum requirement)
Domain name (with SSL)
1 TB Storage

Reverse proxy rules (public routing):

Port 4200 should be proxied to the '/'
Port 8080 should be proxied to the '/auth'
Port 3000 should be proxied to the '/api'
Port 8000 should be proxied to the '/data'

Nginx - cQube server firewall configuration

Port 4200 should be open from Nginx to the cQube server
Port 8080 should be open from Nginx to the cQube server
Port 3000 should be open from Nginx to the cQube server
Port 8000 should be open from Nginx to the cQube server

OpenVPN - cQube server firewall configuration

Port 9000 should be open from OpenVPN to the cQube server

Reverse proxy rules (internal routing):

The following ports have to be configured in the Nginix server with reverse proxy:

Port 4201 should be proxied to the '/'
Port 3001 should be proxied to the '/api'

Nginx - cQube server firewall configuration

Port 4201 should be open from Nginx to the cQube server
Port 3001 should be open from Nginx to the cQube server

Openvpn - cQube server firewall configuration

Port 80 should be open from openvpn to the Nginx