# Observability Examples

Complete monitoring and logging examples for Grey Haven Cloudflare Workers applications.

## Available Examples

### [cloudflare-logging.md](cloudflare-logging.md)
Structured console logging for Cloudflare Workers.
- TypeScript logger implementation
- Log levels and context
- JSON structured logging
- Viewing logs in Cloudflare dashboard

### [wrangler-tail.md](wrangler-tail.md)
Real-time log streaming with wrangler tail.
- Streaming production logs
- Filtering by status, method, IP
- Exporting logs to files
- Common troubleshooting patterns

### [analytics-engine.md](analytics-engine.md)
Cloudflare Analytics Engine for custom events.
- Custom event tracking
- Analytics Engine API
- GraphQL queries for analytics
- Event aggregation patterns

### [health-checks.md](health-checks.md)
Health check endpoint implementations.
- Database health checks
- Redis health checks
- Multi-service health checks
- Cloudflare health check configuration

### [error-tracking.md](error-tracking.md)
Error handling and tracking patterns.
- Structured error logging
- Error context tracking
- Analytics Engine for error metrics
- Error rate monitoring

## Quick Reference

**Need logging?** → [cloudflare-logging.md](cloudflare-logging.md)
**Need real-time logs?** → [wrangler-tail.md](wrangler-tail.md)
**Need custom metrics?** → [analytics-engine.md](analytics-engine.md)
**Need health checks?** → [health-checks.md](health-checks.md)
**Need error tracking?** → [error-tracking.md](error-tracking.md)