System Overview

Lattice runs on Cloudflare’s edge infrastructure. A single Gateway Worker handles all routing. D1 (SQLite at the edge) is the source of truth. KV provides a read cache with 5-minute TTL. The system fits within Cloudflare’s $5/month paid tier.

                    ┌─────────────┐
                    │   Gateway   │  <- Routes by entity ID
                    │   Worker    │     Hono-based, all endpoints
                    └──────┬──────┘
                           │
              ┌────────────┼────────────┐
              │                         │
        ┌─────┴─────┐            ┌──────┴──────┐
        │    D1     │            │     KV      │
        │ (SQLite)  │            │  (cache)    │
        │           │            │  TTL: 300s  │
        │ entities  │            └─────────────┘
        │ telos_*   │
        │ events    │
        │ policies  │
        └───────────┘

Bindings

From wrangler.toml:

Binding	Type	Name
DB	D1 Database	lattice-db
CACHE	KV Namespace	Read cache
ENVIRONMENT	Variable	"development"

Dependencies

From package.json:

• hono ^4.7.0 — HTTP framework
• nanoid ^5.0.0 — ID generation
• wrangler ^4.0.0 — Cloudflare dev/deploy tooling
• @cloudflare/workers-types — TypeScript types for Workers runtime