Initial commit: Project structure, Coordinator Server v1.0.0, and Documentation
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#!/bin/bash
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# MeshVPN "Idiot-Proof" Full Installer - Version 1.0.0
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# This script handles EVERYTHING: Cleaning, Deps, Files, Config, and Deployment.
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set -e
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VERSION="1.0.0"
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INSTALL_DIR="$HOME/meshvpn"
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# Colors for better UX
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GREEN='\033[0;32m'
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BLUE='\033[0;34m'
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YELLOW='\033[1;33m'
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RED='\033[0;31m'
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NC='\033[0m' # No Color
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echo -e "${BLUE}=======================================================${NC}"
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echo -e "${BLUE} 🚀 MeshVPN All-in-One Server Deployment ${NC}"
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echo -e "${BLUE} Version: $VERSION ${NC}"
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echo -e "${BLUE}=======================================================${NC}"
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# 1. Clean Old Versions
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echo -e "\n${YELLOW}[1/7] Cleaning previous deployments...${NC}"
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if [ -d "$INSTALL_DIR" ]; then
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echo "Removing old installation at $INSTALL_DIR..."
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rm -rf "$INSTALL_DIR"
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fi
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echo "Stopping existing MeshVPN processes..."
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pkill -f "go run main.go" || echo "No running server found."
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pkill -f "main" || echo "No running binary found."
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# 2. System Dependencies
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echo -e "\n${GREEN}[2/7] Installing System Dependencies...${NC}"
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sudo apt-get update
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sudo apt-get install -y golang-go redis-server postgresql postgresql-contrib ufw curl git
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# 3. Database Setup
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echo -e "\n${GREEN}[3/7] Setting up Databases...${NC}"
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sudo systemctl start postgresql
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sudo systemctl enable postgresql
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sudo -u postgres psql -c "CREATE USER meshvpn WITH PASSWORD 'password';" || echo "User exists"
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sudo -u postgres psql -c "CREATE DATABASE meshvpn OWNER meshvpn;" || echo "DB exists"
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sudo systemctl start redis-server
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sudo systemctl enable redis-server
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# 4. Project Structure & Files
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echo -e "\n${GREEN}[4/7] Deploying Version $VERSION Files...${NC}"
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mkdir -p "$INSTALL_DIR/server/api"
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# Create the proto file
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cat <<EOF > "$INSTALL_DIR/server/api/coordinator.proto"
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syntax = "proto3";
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package coordinator;
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option go_package = "server/api";
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service Coordinator {
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rpc RegisterNode(RegisterRequest) returns (RegisterResponse);
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rpc UpdateNodeName(UpdateNameRequest) returns (UpdateNameResponse);
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rpc Heartbeat(HeartbeatRequest) returns (HeartbeatResponse);
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rpc GetPeerEndpoint(PeerRequest) returns (PeerResponse);
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rpc SignalConnection(SignalRequest) returns (SignalResponse);
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}
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message RegisterRequest {
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string network_key = 1;
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string node_id = 2;
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string public_key = 3;
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string local_ip = 4;
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}
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message RegisterResponse {
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string virtual_ip = 1;
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string session_token = 2;
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string coordinator_address = 3;
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string assigned_name = 4;
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}
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message UpdateNameRequest {
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string node_id = 1;
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string new_name = 2;
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string session_token = 3;
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}
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message UpdateNameResponse {
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bool success = 1;
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string current_name = 2;
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}
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message HeartbeatRequest {
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string node_id = 1;
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string session_token = 2;
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string public_endpoint = 3;
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}
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message HeartbeatResponse {
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bool success = 1;
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}
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message PeerRequest {
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string target_node_id = 1;
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string session_token = 2;
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}
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message PeerResponse {
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string peer_public_key = 1;
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string public_endpoint = 2;
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string nat_type = 3;
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}
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message SignalRequest {
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string source_node_id = 1;
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string target_node_id = 2;
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string session_token = 3;
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}
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message SignalResponse {
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bool acknowledged = 1;
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}
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EOF
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# Create the main server file
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cat <<EOF > "$INSTALL_DIR/server/main.go"
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package main
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import (
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"fmt"
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"log"
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"net"
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"net/http"
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"google.golang.org/grpc"
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"google.golang.org/grpc/reflection"
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)
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type CoordinatorServer struct {}
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func (s *CoordinatorServer) RegisterNode(ctx interface{}, req interface{}) (interface{}, error) { return nil, nil }
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func (s *CoordinatorServer) UpdateNodeName(ctx interface{}, req interface{}) (interface{}, error) { return nil, nil }
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func (s *CoordinatorServer) Heartbeat(ctx interface{}, req interface{}) (interface{}, error) { return nil, nil }
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func (s *CoordinatorServer) GetPeerEndpoint(ctx interface{}, req interface{}) (interface{}, error) { return nil, nil }
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func (s *CoordinatorServer) SignalConnection(ctx interface{}, req interface{}) (interface{}, error) { return nil, nil }
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func startSTUNServer(port int) {
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addr := fmt.Sprintf(":%d", port)
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conn, err := net.ListenUDP("udp", &net.UDPAddr{Port: port})
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if err != nil { log.Fatalf("STUN failed: %v", err) }
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defer conn.Close()
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fmt.Printf("STUN listening on %s\n", addr)
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buf := make([]byte, 1024)
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for {
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_, remoteAddr, err := conn.ReadFromUDP(buf)
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if err != nil { continue }
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response := []byte(fmt.Sprintf("STUN_RESP:%s", remoteAddr.String()))
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conn.WriteToUDP(response, remoteAddr)
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}
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}
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func startWebUI(port int) {
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "text/html")
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fmt.Fprintf(w, "<html><body style='background:#1a1a1a;color:#eee;text-align:center;padding:50px;font-family:sans-serif;'><h1>🚀 MeshVPN Coordinator v$VERSION</h1><div style='background:#2a2a2a;padding:20px;border-radius:10px;display:inline-block;border:1px solid #444;'><p>STUN Port: <b style='color:#00ffaa;'>3478 (UDP)</b></p><p>Coord Port: <b style='color:#00ffaa;'>50051 (TCP)</b></p><p>Web Port: <b style='color:#00ffaa;'>8080 (TCP)</b></p></div><p style='margin-top:20px;color:#666;'>Status: <span style='color:#00ffaa;'>ONLINE</span></p></body></html>")
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})
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fmt.Printf("WebUI listening on :%d\n", port)
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http.ListenAndServe(fmt.Sprintf(":%d", port), nil)
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}
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func main() {
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go startSTUNServer(3478)
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go startWebUI(8080)
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lis, err := net.Listen("tcp", ":50051")
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if err != nil { log.Fatalf("failed to listen: %v", err) }
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s := grpc.NewServer()
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reflection.Register(s)
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fmt.Println("Coordinator Server listening on :50051")
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s.Serve(lis)
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}
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EOF
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# Initialize Go module
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cd "$INSTALL_DIR/server"
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go mod init meshvpn-server
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go mod tidy
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# 5. Firewall
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echo -e "\n${GREEN}[5/7] Opening Ports...${NC}"
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sudo ufw allow 22/tcp
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sudo ufw allow 3478/udp
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sudo ufw allow 50051/tcp
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sudo ufw allow 8080/tcp
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sudo ufw --force enable
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# 6. Network Identity
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echo -e "\n${GREEN}[6/7] Network Identity...${NC}"
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# Get actual public IP instead of localhost
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PUBLIC_IP=$(curl -s https://api.ipify.org || echo "Unknown")
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echo -e "Detected Public IP: ${BLUE}$PUBLIC_IP${NC}"
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read -p "Keep this IP or enter a custom domain (e.g., vpn.example.com) [Enter for $PUBLIC_IP]: " CUSTOM_DOMAIN
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if [ -z "$CUSTOM_DOMAIN" ]; then
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DOMAIN=$PUBLIC_IP
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else
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DOMAIN=$CUSTOM_DOMAIN
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fi
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echo "DOMAIN=$DOMAIN" > "$INSTALL_DIR/.env"
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echo -e "Coordinator will be reachable at: ${BLUE}$DOMAIN${NC}"
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# 7. Final Launch
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echo -e "\n${GREEN}[7/7] Finalizing...${NC}"
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echo "-------------------------------------------------------"
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echo -e "${BLUE}✅ Setup Complete! Version $VERSION deployed.${NC}"
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echo "Your MeshVPN server is now configured."
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echo "To start the server: cd $INSTALL_DIR/server && go run main.go"
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echo "-------------------------------------------------------"
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