TypeBox + Fastify Development

Scope

• Fastify v5+ with TypeBox schemas and @fastify/type-provider-typebox
• Type-safe route definitions with automatic request/response type inference
• OpenAPI 3.0 generation from TypeBox schemas via @fastify/swagger
• Plugin architecture, hooks lifecycle, decorators
• Testing with inject(), database integration, auth, deployment

Does NOT cover: Frontend frameworks, GraphQL, Express migration (beyond basic guidance), non-TypeBox schema libraries as primary.

When to use