golang Access-Control-Allow-Origin: '*'

package main

import (
    "net/http"
)

func main() {
    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
        w.Header().Set("Access-Control-Allow-Origin", "*")
        // Your handler logic here
    })

    http.ListenAndServe(":8080", nil)
}