Write TypeScript, Run Rust
Your handlers are TypeScript. The runtime underneath is Rust — Hyper 1.x, Tokio, Axum. 8-10x faster than Express, ~10ms cold starts.
The backend framework for TypeScript
Write TypeScript. Run on Rust. Deploy anywhere.
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Zero-Config Local Dev
cooper run starts embedded Postgres, NATS, and Valkey. Runs migrations. Hot reloads. No Docker required.
Deploy Anywhere
One command deploys to AWS, GCP, Azure, or Fly.io. Cooper provisions all infrastructure — databases, queues, cache, compute.
Type-Safe Everything
Auto-generated typed clients for your frontend. OpenAPI spec from your code. Zod validation runs before your handler.
Batteries Included
Database, cache, pub/sub, queues, cron, object storage, secrets, auth — all built in. No glue code.
Live Dashboard
Service map, API explorer, request log — all in a minimal monochrome UI powered by dagre.