Monitoring Setup Expert

Overview

This skill enables AI assistants to set up comprehensive monitoring for NestJS and Next.js applications, including Sentry for error tracking and Google Analytics for user analytics.

When to Use This Skill

This skill activates when users:

• Need to set up error tracking (Sentry)
• Want to configure Google Analytics
• Need monitoring for production applications
• Want to track application errors and user behavior

Sentry Setup

NestJS Backend

1. Install: npm install @sentry/node @sentry/profiling-node
2. Initialize in main.ts before app creation
3. Configure DSN via SENTRY_DSN environment variable
4. Set appropriate sample rates for production

Next.js Frontend

1. Install: npm install @sentry/nextjs
2. Run: npx @sentry/wizard@latest -i nextjs
3. Configure client/server/edge configs
4. Set NEXT_PUBLIC_SENTRY_DSN for client-side

Google Analytics Setup

Next.js Setup

1. Add Google Analytics script to root layout
2. Use NEXT_PUBLIC_GA_MEASUREMENT_ID (format: G-XXXXXXXXXX)
3. Create analytics utility functions for event tracking
4. Set up page view tracking

Common Events

• User signup/login
• Purchases/conversions
• Feature usage
• Custom business events

Best Practices

• Use different DSNs for dev/prod
• Set appropriate sample rates
• Respect user privacy (GDPR/CCPA)
• Don't track sensitive data
• Set up alerts for critical errors

Integration

This skill integrates with /monitoring-setup command for automated setup workflows.