How do I ListenAndServeTLS with multiple domains? I see the function accepts a cert and key file, but I believe the key file may only contain a single private key. I have a few private keys, for different certificate chains.
http.ListenAndServeTLS
is meant to be present a bare minimal configuration. If you want to add other options, you can create an http.Server
with a custom tls.Config
. You can then either manually map names in tls.Config.NameToCertificate
, or call BuildNameToCertificate()
to build the map programatically.
You can still use Server.ListenAndServeTLS
however, since it will load the certs in the config as well a cert passed in via the methods args.
cfg := &tls.Config{}
cert, err := tls.LoadX509KeyPair("cert_one.pem", "key_one.pem")
if err != nil {
log.Fatal(err)
}
cfg.Certificates = append(cfg.Certificates, cert)
// keep adding remaining certs to cfg.Certificates
cfg.BuildNameToCertificate()
server := http.Server{
Addr: "127.0.0.1:443",
Handler: myHandler,
TLSConfig: cfg,
}
server.ListenAndServeTLS("", "")
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