Learn how to build a fast and simple CRUD API using Fastify, while also implementing data validation and adding plugins. Fastify is a framework for backend web development with a powerful plugin architecture and the least overhead. It’s primarily inspired by Hapi and Express and is one of the fastest web frameworks running on Node.js.
Learn how to build a fast and simple CRUD API using Fastify, while also implementing data validation and adding plugins.
Fastify is a framework for backend web development with a powerful plugin architecture and the least overhead. It’s primarily inspired by Hapi and Express and is one of the fastest web frameworks running on Node.js.
Fastify v3.0 is the latest version and has been available since early July 2020. Version 3 has some exceptional new functionalities such as:
Now that we’ve covered Fastify’s latest version update functionalities, let’s review a shortlist of Fastify’s most important features:
Depending on code complexity, it can serve around 30,000 requests per second or more for less complex business logic
Hooks, plugins, and decorators make it fully extensible
Internally, Fastify compiles a JSON schema to a highly performant function that can be used for route validation and output serialization
Pino is a highly cost-effective logger used for faster logging
The framework is expressive and easy to get started with. Furthermore, it allows developers to quickly scale small projects to larger performant applications without sacrificing performance or security
The TypeScript type declaration file maintains support to the TypeScript community
Besides the vast amount of features that Fastify offers, it also has a strong plugin architecture. Any developer can build plugins that work with Fastify to create quick building blocks for bootstrapping your API project.
Plugins developed by external developers fall under the category of “community plugins,” while the Fastify team also maintains some plugins of their own, which they label as “core plugins.” However, it’s important to know that any community plugin must adhere to Fastify’s best practices.
The benefit of using core plugins is that the Fastify team actively maintains those plugins, but keep in mind that community plugins may not be maintained.
Here are some important Fastify plugins to note:
And that’s not even a comprehensive list. Fastify has a wide range of plugins to choose from.
Each framework, of course, has its pros and cons — but each framework also has its application. It’s not easy to compare diverse frameworks. However, I tried to select relevant evaluation criteria for when you are choosing a framework.
Here’s an overview of the speed comparison by StackShare.io.
Express: Express processes the least amount of request/sec. The benchmark proves that Express can handle 15,978 requests/sec
Koa: Koa is a better option than Express. It’s also a lightweight framework that handles 54,848 requests/sec
Fastify: Fastify received the best benchmark results with 78,956 requests/sec
As discussed in the previous section, Fastify is the only web framework of these three that has a wide range of plugins, and it makes a major difference. It’s a big plus for developers because they don’t have to rely on multiple frameworks or packages to build their applications. Fastify becomes the one-stop solution.
Again, Fastify is the only framework that has TypeScript support out of the box. Depending on your Node.js version, you may need to install
And now, the exciting part! This tutorial will guide you through building your first server with Fastify, covering the following aspects:
Ready? Let’s begin.
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