How to Redirect HTTP to HTTPS in Go?

Redirecting from HTTP to HTTPS in Go

In order to enforce HTTPS-only connections, you can redirect HTTP requests to HTTPS counterparts. Here's how to do it effectively in Go:

1. Create a Redirect Handler:

Define a custom HTTP handler that handles the redirection:

func redirectToTls(w http.ResponseWriter, r *http.Request) {
    http.Redirect(w, r, "https://IPAddr:443"+r.RequestURI, http.StatusMovedPermanently)
}

This handler will redirect all HTTP requests to the corresponding HTTPS URL (replace "IPAddr" with your server's IP address or domain name).

2. Redirect HTTP Traffic:

Start an HTTP server that listens on port 80 and uses the redirect handler:

go func() {
    if err := http.ListenAndServe(":80", http.HandlerFunc(redirectToTls)); err != nil {
        log.Fatalf("ListenAndServe error: %v", err)
    }
}()

With this setup, all HTTP requests received on port 80 will be automatically redirected to their HTTPS counterparts, ensuring a secure connection to your website.

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