Building Cloudflare Workers at Scale

After deploying over 30 Cloudflare Workers in production, we've learned a lot about what works and what doesn't. This post shares our key lessons.

Architecture Patterns That Scale

1. Multiple Small Workers > One Giant Monolith

Our first mistake was building a 10,000+ line worker. Don't do this. Instead:

2. Edge-First Data Strategy

Store frequently accessed data at the edge:

Error Handling Best Practices

Every worker should implement:

Performance Optimization

Key metrics to track:

Conclusion

Building at scale requires discipline. Start small, measure everything, and iterate.