Reverse proxy in Go

main.go

package main

import (
    "net/http"
    "net/http/httputil"
    "net/url"
)

func main() {
    // Parse the target URL
    targetURL, err := url.Parse("https://target-url.com")
    if err != nil {
        panic(err)
    }

    // Create a reverse proxy
    proxy := httputil.NewSingleHostReverseProxy(targetURL)

    // Modify the request before sending it
    proxy.Director = func(req *http.Request) {
        req.URL.Scheme = targetURL.Scheme
        req.URL.Host = targetURL.Host
        req.Host = targetURL.Host // Set the Host header to the target's host
    }

    // Start the server and listen on port 80 (or any port of your choice)
    http.ListenAndServe(":80", proxy)
}