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package main
import (
"crypto/tls"
"net"
"github.com/valyala/fasthttp"
"golang.org/x/crypto/acme"
"golang.org/x/crypto/acme/autocert"
)
func requestHandler(ctx *fasthttp.RequestCtx) {
ctx.SetBodyString("hello from https!")
}
func main() {
m := &autocert.Manager{
Prompt: autocert.AcceptTOS,
HostPolicy: autocert.HostWhitelist("example.com"), // Replace with your domain.
Cache: autocert.DirCache("./certs"),
}
cfg := &tls.Config{
GetCertificate: m.GetCertificate,
NextProtos: []string{
"http/1.1", acme.ALPNProto,
},
}
// Let's Encrypt tls-alpn-01 only works on port 443.
ln, err := net.Listen("tcp4", "0.0.0.0:443") // #nosec G102
if err != nil {
panic(err)
}
lnTls := tls.NewListener(ln, cfg)
if err := fasthttp.Serve(lnTls, requestHandler); err != nil {
panic(err)
}
}
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