Compression middleware for Fiber that will compress the response using gzip, deflate and brotli compression depending on the Accept-Encoding header.

Compress Middleware

Signatures

func New(config ...Config) fiber.Handler

Examples

First import the middleware from Fiber,

import (
  "github.com/gofiber/fiber/v2"
  "github.com/gofiber/fiber/v2/middleware/compress"
)

Then create a Fiber app with app := fiber.New().

Default Config

app.Use(compress.New())

Custom Config

// Provide a custom compression level
app.Use(compress.New(compress.Config{
    Level: compress.LevelBestSpeed, // 1
}))

// Skip middleware for specific routes
app.Use(compress.New(compress.Config{
  Next:  func(c *fiber.Ctx) bool {
    return c.Path() == "/dont_compress"
  },
  Level: compress.LevelBestSpeed, // 1
}))

Config

// Config defines the config for middleware.
type Config struct {
	// Next defines a function to skip this middleware when returned true.
	//
	// Optional. Default: nil
	Next func(c *fiber.Ctx) bool

	// CompressLevel determines the compression algoritm
	//
	// Optional. Default: LevelDefault
	// LevelDisabled:         -1
	// LevelDefault:          0
	// LevelBestSpeed:        1
	// LevelBestCompression:  2
	Level int
}

Default Config

var ConfigDefault = Config{
	Next:  nil,
	Level: LevelDefault,
}

Constants

// Compression levels
const (
	LevelDisabled        = -1
	LevelDefault         = 0
	LevelBestSpeed       = 1
	LevelBestCompression = 2
)