section

External Infrastructure

External Infrastructure

Documentation for external servers and services that support Nexus operations.

DigitalOcean Reverse Proxy

Server Details

IP Address: 143.198.133.215
Provider: DigitalOcean
Purpose: Reverse proxy for Nexus subdomains

How It Works

The DigitalOcean droplet acts as a public-facing reverse proxy that forwards requests to the Nexus master server via Tailscale:

Public Internet → DigitalOcean (143.198.133.215) → Tailscale → cortex-nexus-master (100.73.67.78)

Routing Configuration

Subdomain	Target	Port
docs.corlera.com	100.73.67.78	6653

Why This Architecture?

Security: Nexus master is not directly exposed to internet
Tailscale: Private mesh network for secure internal routing
Flexibility: Easy to add new subdomains without exposing more ports
SSL Termination: DigitalOcean handles HTTPS certificates

Network Flow Example

User requests: https://docs.corlera.com/file.pdf
    ↓
DigitalOcean Reverse Proxy (143.198.133.215)
    ↓ (forwards via Tailscale)
Nexus Master (100.73.67.78:6653)
    ↓
CopyParty/Nexus Docs serves file

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