Fastify

1. Getting Started

   First server, routes, plugins and validation.

2. Routes

   Route declaration, shorthand, options and constraints.

3. Lifecycle

   Request lifecycle phases and hooks order.

4. Hooks

   onRequest, preHandler, onSend and application hooks.

5. Plugins

   Plugin system, register and fastify-plugin.

6. Encapsulation

   Plugin scopes and context isolation.

7. Decorators

   Extending instance, request and reply.

8. Validation and Serialization

   JSON Schema validation with Ajv and fast serialization.

9. Request and Reply

   Reply API, send, status, headers and streams.

10. Content Type Parser

    Parsing request bodies.

11. Errors

    Error handling and error codes.

12. Logging

    Pino logger integration.

13. TypeScript and Type Providers

    Typing routes and type providers.

14. Server Options

    Factory options, timeouts, trust proxy, https.

15. Testing

    inject() and testing strategies.

16. Recommendations

    Production deployment and security guidance.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.