您需要在main.go中添加datadog跟踪器，并将其作为fiber中间件来跟踪fiber框架请求。请参考以下示例来启用对fiber应用程序的datadog跟踪。
main.go示例

package main

import (
        
    "gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer"
)

func main() {
    
        tracer.Start(tracer.WithAgentAddr("localhost:8200")
        tracer.WithService("APP NAME")
        tracer.WithEnv("TRACE ENV")
        defer tracer.Stop()
}

光纤中间件示例

import (
        "github.com/gofiber/fiber/v2"

        fibertrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/gofiber/fiber.v2"
    )
    
    func main() {
        
            app := fiber.New()
            app.Use(fibertrace.Middleware(fibertrace.WithServiceName("APP Name value")))
    }