Fiber is An Express.js Inspired Web Framework Written in Go

Fiber is An Express.js Inspired Web Framework Written in Go

Fiber is an Express.js styled HTTP web framework implementation running on Fasthttp, the fastest HTTP engine for Go (Golang). The package make use of similar framework convention as they are in Express.

Fiber

Fiber is an Express.js styled HTTP web framework implementation running on Fasthttp, the fastest HTTP engine for Go (Golang). The package make use of similar framework convention as they are in Express.

People switching from Node.js to Go often end up in a bad learning curve to start building their webapps, this project is meant to ease things up for fast development, but with zero memory allocation and performance in mind.

API Documentation

We created an extended API documentation (including examples), Visit fiber.wiki.

Benchmark

Features
  • Optimized for speed and low memory usage
  • Rapid Server-Side Programming
  • Easy routing with parameters
  • Static files with custom prefix
  • Middleware with Next support
  • Express API endpoints
  • Extended documentation
Installing

Assuming you’ve already installed Go 1.11+

Install the Fiber package by calling the following command:

go get -u github.com/gofiber/fiber
Hello, world!

Embedded below is essentially the simplest Fiber app you can create:

// server.go

package main

import "github.com/gofiber/fiber"

func main() {
  // Create new Fiber instance
  app := fiber.New()

  // Create new route with GET method
  app.Get("/", func(c *fiber.Ctx) {
    c.Send("Hello, World!")
  })

  // Start server on http://localhost:8080
  app.Listen(8080)
}

Go to console and run:

go run server.go

And now, browse to http://localhost:8080 and you should see Hello, World! on the page!

Static files

To serve static files, use the Static method:

package main

import "github.com/gofiber/fiber"

func main() {
  // Create new Fiber instance
  app := fiber.New()

  // Serve all static files on ./public folder
  app.Static("./public")

  // Start server on http://localhost:8080
  app.Listen(8080)
}

Now, you can load the files that are in the public directory:

http://localhost:8080/hello.html
http://localhost:8080/js/script.js
http://localhost:8080/css/style.css
Middleware

Middleware has never been so easy! Just like Express you call the Next() matching route function:

package main

import "github.com/gofiber/fiber"

func main() {
  // Create new Fiber instance
  app := fiber.New()

  // Define all used middlewares in Use()

  app.Use(func(c *fiber.Ctx) {
    c.Write("Match anything!\n")
    c.Next()
  })

  app.Use("/api", func(c *fiber.Ctx) {
    c.Write("Match starting with /api\n")
    c.Next()
  })

  app.Get("/api/user", func(c *fiber.Ctx) {
    c.Write("Match exact path /api/user\n")
  })

  // Start server on http://localhost:8080
  app.Listen(8080)
}
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Python and Go are a great combination. Like Python, Go is easy to learn, powerful to use and has many useful libraries. Go and Python work great together: Go has better performance and parallelism, while Python is more expressive. Wouldn't it be nice if you could combine the benefits of Go and Python in one program? This talk shows you how.

Why you may want to attend
Extension modules written in C/C++ or other languages are one of the major strength Python. Go is a useful language to extend Python. This talk explains to you how to implement extension modules in Go.

Content of the Talk
The talk shows how to use CGO to make Go code available as a C library and then to use Cython to make this library available as a Python extension module.

We start by building a wrapper for simple Go code that adds some numbers and returns the results. This program is our end-to-end example to demonstrate the steps necessary to create a Python extension module in Go.
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Recommended Prerequisites
To get the most out of the talk, you should know about the difference between native Python modules and extension modules written in other languages. Some background on concepts like garbage collection, stack and heap, and dynamic/shared libraries are beneficial. Knowledge of the Python C API is not required.
You do not need to know how to write Go code to follow the talk - the talk explains all the required Go.

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  4. Who are the creators of GoLang
  5. Why GoLang was created by Google
  6. Why Learn of GoLang
  7. Companies using GoLang
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