Fastify documentation. Sep 16, 2025 · Learn how to create an OpenAPI spec for your Fastify API and use it to automatically generate and customize client SDKs across different languages. url: the path of the URL to match this route (alias: path). Portuguese docs for Fastify. An efficient server implies a lower cost of the infrastructure, better responsiveness under load, and happy users. Developers experienced with Fastify should consult the reference documentation directly to find the topic they are seeking more information about. js Documentation JSON Schema Documentation If you found this article helpful, please consider clapping 👏 and following me on LinkedIn & Github. Fastify Getting Started Hello! Thank you for checking out Fastify! This document aims to be a gentle introduction to the framework and its features. Factory http http2 https connectionTimeout keepAliveTimeout forceCloseConnections maxRequestsPerSocket Swagger documentation generator for Fastify. Y. You have to register a hook before the event is triggered, otherwise, the event is lost. In encapsulated usage, one can remap the context to use one or more providers (for example, typebox and json-schema-to-ts can be used in the same application). See the Pino documentation for available options. 5. schema: an object containing the schemas for the request and response. Fast and low overhead web framework, for Node. Zod See official documentation for Zod Type Provider instructions. Recommendations: Recommendations for how to deploy Fastify into production environments. Server Factory The Fastify module exports a factory function that is used to create new Fastify server instances. com Master Fastify JSDoc Documentation! This guide offers a step-by-step tutorial on effectively documenting your Fastify application using JSDoc improving code readability and maintainability. To accept more methods, the addHttpMethod must be used. The one-page guide to Fastify: usage, examples, links, snippets, and more. Hooks Hooks Hooks are registered with the fastify. This document describes the properties available in that options object. Latest version: 9. After the examples there is further, more detailed documentation for the type system. Type ProvidersSee the TypeBox documentation for setting up AJV to work with TypeBox. For up-to-date documentation, see the latest version (latest (v5. x)). Apr 29, 2024 · Its documentation says that “ in Fastify everything is a plugin. Let's start! Install Install with npm: Recommendations: Recommendations for how to deploy Fastify into production environments. Learn to implement schema validation, database integration, and complete CRUD operations while following best practices for route organization and error handling. There are Request/Reply hooks and application hooks: Request/Reply Hooks Core DocumentsIndex Core Documents For the full table of contents (TOC), see below. Serverless: Details on how to deploy Fastify applications in various Function as a Service (FaaS) environments. Let's start!. Application Let's cd into a fresh directory called 'testing-example' and type npm init -y in our terminal. addHook method and allow you to listen to specific events in the application or request/response lifecycle. To specify a file destination, use: Getting-Started Getting Started Hello! Thank you for checking out Fastify! This document aims to be a gentle introduction to the framework and its features. To dig deeper into how Fastify plugins work, how to develop new plugins, and for details on how to use the whole Fastify API to deal with the complexity of asynchronously bootstrapping an application, read the hitchhiker's guide to plugins. Lifecycle: Explains the Fastify request lifecycle Getting-Started Getting Started Hello! Thank you for checking out Fastify! This document aims to be a gentle introduction to the framework and its features. Fastify is a web framework highly focused on providing the best Introduction The documentation for Fastify is split into two categories: Reference documentation Guides The reference documentation utilizes a very formal style in an effort to document Fastify's API and implementation details thoroughly for the developer who needs such. It could also be an array of methods. The following list is a subset of the full TOC that detail core Fastify APIs and concepts in order of most likely importance to the reader: Server: Documents the core Fastify API. js frameworks (Express/Fastify), but also exposes their APIs directly to the developer. Scoped Type-Provider The provider types don't propagate globally. Let's start! Install Install with npm: Testing Testing is one of the most important parts of developing an application. ” This architecture makes it easy for developers to build and use utilities, middleware, and other niceties. Complete newcomers to Fastify should first read our Getting Started guide. Start using @fastify/swagger in your project by running `npm i @fastify/swagger`. By using hooks you can interact directly with the lifecycle of Fastify. There are 232 other projects in the npm registry using @fastify/swagger. They need to be in JSON Schema format, check here for more info. How can you efficiently handle the resources of your server, knowing that you are serving the highest number of requests possible, without sacrificing security validations and handy development? Enter Fastify. Lifecycle: Explains the Fastify Sep 8, 2024 · Additional Resources Fastify Documentation Node. Lifecycle: Explains the Fastify Routes options method: currently it supports GET, HEAD, TRACE, DELETE, OPTIONS, PATCH, PUT and POST. Contribute to fastify/fastify development by creating an account on GitHub. See full list on github. Fastify is a web framework highly focused on providing the best developer experience with the least overhead and a powerful plugin architecture. It is an elementary preface with examples and links to other parts of the documentation. This is documentation for Fastify v2. Serve Swagger/OpenAPI documentation for Fastify, supporting dynamic generation. 1, last published: 5 months ago. 15. Includes documentation for the factory function and the object returned by the factory function. Fastify is very flexible when it comes to testing and is compatible with most testing frameworks (such as Node Test Runner, which is used in the examples below). Contribute to fastify/fastify-swagger development by creating an account on GitHub. Run npm i fastify && npm i pino-pretty -D Core DocumentsIndex Core Documents For the full table of contents (TOC), see below. Style Guide: Explains the writing style we use for the Fastify documentation for those who want to contribute documentation. x, which is no longer actively maintained. js. Mar 19, 2025 · Build a high-performance blog API with Fastify and Prisma in this step-by-step guide. It is inspired by Hapi and Express and as far as we know, it is one of the fastest web frameworks in town. This factory function accepts an options object which is used to customize the resulting instance. 6. Getting Started This example will get you up and running with Fastify and TypeScript. Example: Under the hood, Nest makes use of robust HTTP Server frameworks like Express (the default) and optionally can be configured to use Fastify as well! Nest provides a level of abstraction above these common Node. Contribute to fastify/docs-chinese development by creating an account on GitHub. Passing Logger Options To pass options to the logger, provide them to Fastify. body Index Core Documents For the full table of contents (TOC), see below. Fastify 中文文档. Z release versions, are supported for a minimum period of six months from their release date. The guides category utilizes an informal educational style as a means to introduce newcomers to core and advanced Fastify Learn By Example The best way to learn the Fastify type system is by example! The following four examples should cover the most common Fastify development cases. Fastify's Long Term Support (LTS) is provided according to the schedule laid out in this document: Major releases, "X" release of semantic versioning X. Contribute to fastify/docs-portuguese development by creating an account on GitHub. For information about support options for end-of-life versions, see the Long Term Support page. bg4h bweob kh9q sznvf hesdq 8z68ffavi 2fq u21m oa yoet