Autocert POC

Unfortunately does not work for IP addresses.

Gopkg.toml

@@ -25,3 +25,7 @@
 [[constraint]]
   name = "github.com/BurntSushi/toml"
   version = "0.3.0"
+
+[[constraint]]
+  revision = "9de5f2eaf759b4c4550b3db39fed2e9e5f86f45c"
+  name = "golang.org/x/crypto"

poc/autocert/main.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"crypto/tls"
+	"log"
+	"net/http"
+
+	"golang.org/x/crypto/acme/autocert"
+)
+
+func HelloServer(w http.ResponseWriter, req *http.Request) {
+	w.Header().Set("Content-Type", "text/plain")
+	w.Write([]byte("This is tls over tcp"))
+}
+
+func main() {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", HelloServer)
+
+	manager := autocert.Manager{
+		Prompt: autocert.AcceptTOS,
+		Cache:  autocert.DirCache("certs"),
+	}
+
+	server := &http.Server{
+		Addr:    ":443",
+		Handler: mux,
+		TLSConfig: &tls.Config{
+			GetCertificate: manager.GetCertificate,
+		},
+	}
+
+	go http.ListenAndServe(":80", manager.HTTPHandler(nil))
+	log.Fatal(server.ListenAndServeTLS("", ""))
+}