http_with_context.go

package main

import (
	"context"
	"fmt"
	"log"
	"net/http"
	"time"
)

func main() {

	ctx, cancel := context.WithTimeout(context.Background(), 1000*time.Millisecond)

	defer cancel()

	req, err := http.NewRequestWithContext(ctx, "GET", "https://httpbin.org/get", nil)
	if err != nil {
		log.Fatalf("%v", err)
	}

	client := http.DefaultClient
	res, err := client.Do(req)
	if err != nil {
		log.Fatalf("%v", err)
	}

	fmt.Printf("%v\n", res.StatusCode)
}