Add complete reinstall script with database backup

reinstall-server.sh

@@ -0,0 +1,84 @@
+#!/bin/bash
+# Complete reinstallation script for SkyWatch
+# Run this to completely reinstall on your server
+
+set -e
+
+echo "🗑️  Complete Reinstallation of SkyWatch"
+echo "========================================"
+echo ""
+
+# Stop and remove PM2 processes
+echo "1️⃣  Stopping existing processes..."
+pm2 stop all || true
+pm2 delete all || true
+pm2 save --force
+
+# Backup database if it exists
+if [ -f "/opt/resource-monitor/data/monitor.db" ]; then
+    echo "💾 Backing up database..."
+    mkdir -p /tmp/skywatch-backup
+    cp /opt/resource-monitor/data/monitor.db /tmp/skywatch-backup/monitor.db.backup
+    echo "✅ Database backed up to /tmp/skywatch-backup/monitor.db.backup"
+fi
+
+# Remove old installation
+echo "2️⃣  Removing old installation..."
+cd /opt
+rm -rf resource-monitor
+
+# Clone fresh from GitHub
+echo "3️⃣  Cloning latest code from GitHub..."
+git clone https://github.com/nmemmert/monitor.git resource-monitor
+cd resource-monitor
+
+# Restore database
+if [ -f "/tmp/skywatch-backup/monitor.db.backup" ]; then
+    echo "📥 Restoring database..."
+    mkdir -p data
+    cp /tmp/skywatch-backup/monitor.db.backup data/monitor.db
+    echo "✅ Database restored"
+fi
+
+# Install dependencies with memory limit for low-power servers
+echo "4️⃣  Installing dependencies (this may take 5-10 minutes)..."
+NODE_OPTIONS="--max-old-space-size=512" npm install --production --no-optional 2>&1 | tail -20
+
+# Create .env if needed
+if [ ! -f ".env" ]; then
+    echo "5️⃣  Creating .env file..."
+    cp .env.example .env 2>/dev/null || echo "NODE_ENV=production" > .env
+fi
+
+# Start with PM2
+echo "6️⃣  Starting application..."
+pm2 start server/index.js --name resource-monitor
+pm2 save
+
+# Setup PM2 to start on boot
+echo "7️⃣  Configuring auto-start..."
+pm2 startup systemd -u root --hp /root | tail -1 | bash || true
+pm2 save
+
+echo ""
+echo "✅ Installation complete!"
+echo ""
+echo "📊 Application status:"
+pm2 status
+
+echo ""
+echo "📋 Recent logs (check for database migration):"
+sleep 2
+pm2 logs resource-monitor --lines 20 --nostream
+
+SERVER_IP=$(hostname -I | awk '{print $1}')
+echo ""
+echo "========================================"
+echo "✅ SkyWatch is running!"
+echo "🌐 Access at: http://$SERVER_IP:3001"
+echo ""
+echo "Useful commands:"
+echo "  pm2 status               - Check status"
+echo "  pm2 logs resource-monitor - View logs"
+echo "  pm2 restart resource-monitor - Restart app"
+echo "========================================"