MeshVPN Coordinator Server

The Coordinator Server is the central brain of the MeshVPN network. It handles node registration, peer signaling, and provides STUN services for NAT traversal.

Features

Integrated STUN Server: Helps clients discover their public endpoints.
Node Coordination: Manages public keys and virtual IP assignments.
Signaling: Facilitates UDP hole punching between peers.
Web Dashboard: (Coming soon) Visualization of the mesh network.

Installation

Prerequisites

Go (1.21+)
Redis (For real-time node state)
PostgreSQL (For identity and ACLs)

Setup

Clone the repository
Install dependencies:
```
go mod tidy
```

Configure Environment: Create a .env file with:

REDIS_ADDR=localhost:6379
POSTGRES_URL=postgres://user:pass@localhost:5432/meshvpn
STUN_PORT=3478
COORD_PORT=50051

Run the server:
```
go run main.go
```

API Endpoints

STUN: UDP port 3478
gRPC Coordinator: TCP port 50051