Components

Self-contained feature modules you register with this.component(SomeComponent).

Built-in components

Component	What it does	When you reach for it
Authentication	JWT and Basic auth - token generation, protected routes, multi-strategy	A route needs to know who the caller is
Authorization Experimental	Enforcer-based RBAC/ABAC, voters, Casbin integration	A route needs a permission check beyond authentication
Health Check	`/health` endpoint, ping/pong	A load balancer or Kubernetes needs a liveness probe
Mail	Email sending - multiple transports, templating, queue-based	The app sends transactional or templated email
Request Tracker	Request ID, timing, structured request logging	Always on - registered automatically, nothing to configure
Socket.IO	Real-time over Socket.IO - Redis adapter, event-based	Clients need rooms or Socket.IO-specific features
WebSocket	Native Bun WebSocket, Redis pub/sub, heartbeat	Clients need a raw WebSocket without Socket.IO
Static Asset	Upload/download files - MinIO, Bun S3, local disk	The app stores or serves user-uploaded files
API Reference	OpenAPI generation, Scalar UI by default, Swagger UI optional	You want a browsable UI for your REST routes
gRPC	ConnectRPC transport, unary RPC, decorator-based	The app serves gRPC alongside or instead of REST