Observability is the foundation of operational confidence in a SaaS application. Without it, you are debugging in the dark. This guide covers the three pillars of observability — logs, metrics, and traces — implemented for SaaS applications on Cloudflare Workers and TanStack Start, with practical patterns used at .
SaaS Monitoring and Observability: Logs, Metrics, and Traces
- ▸ The Three Pillars of Observability
- ▸ Logging: Structured Logging on the Edge
- ↳ Log Format
- ↳ Sending Logs to Analytics Engine
- ▸ Metrics: What to Measure
- ↳ SaaS Metrics Taxonomy
- ↳ Collecting Performance Metrics
- ↳ Querying Metrics
- ▸ Tracing: Distributed Request Tracing
- ↳ Setting Up a Tail Worker
- ↳ Injecting Trace Context
- ▸ Alerting: When to Wake Someone Up
- ↳ Alert Severity Levels
- ↳ Alert Configuration
- ▸ Dashboard: Visualizing Your Observability Data
- ↳ Operational View (Real-Time)
- ↳ Business View (Weekly)
- ↳ Debug View (On-Demand)
- ▸ Automating Incident Response
- ▸ Observability Budget
- ▸ Production Observability Checklist
- ▸ Conclusion
- ↳ Related Resources
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