Article: Modular Edge Computing at Multi-Tenant SaaS Scale on Cloudflare Workers
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Modular edge computing patterns on Cloudflare Workers are directly applicable to serverless architects.
At multi-tenant SaaS scale, a single Cloudflare Worker accumulating features (image optimization, routing, config) becomes a deployment bottleneck and shared-risk monolith. The described architecture splits it via a gateway worker and per-feature workers connected by service bindings, enabling independent team ownership, staggered rollouts, and per-account versioning with zero extra network hops. Real-world constraints like building image format negotiation (AVIF, WebP) in-house because CDN zone toggles are too coarse, and maintaining parity across Cloudflare and Akamai (whose execution models differ enough to require re-architecture), demand application-grade testing discipline across unit suites, integration tests, and synthetic monitoring.