remove certmagic; gemini's TOFU model doesn't benefit from short-lived certs

main.go

@@ -14,8 +14,6 @@ import (
 	"net/url"
 	"os"
 	"path/filepath"
-
-	"github.com/caddyserver/certmagic"
 )
 
 var responseCodes = map[string]int{
@@ -218,30 +216,25 @@ func handleConnection(log Logger, conn net.Conn, h geminiHandler) {
 }
 
 func main() {
-
-	log := NewLogger(&log.Logger{}, true)
+	log := NewLogger(true)
 
 	err := mime.AddExtensionType(".gemini", "text/gemini")
 	if err != nil {
 		log.Info("Could not add text/gemini to mime-type database;", err)
 	}
 
-	magic := certmagic.NewDefault()
-	myACME := certmagic.NewACMEManager(magic, certmagic.DefaultACME)
-
-	err = magic.CacheUnmanagedCertificatePEMFile("./cert.pem", "./key.pem", []string{})
+	cer, err := tls.LoadX509KeyPair("./cert.pem", "./key.pem")
 	if err != nil {
-		log.Info(err)
+		log.Info("", err)
+		return
 	}
 
-	go func() {
-		err := http.ListenAndServe(":80", myACME.HTTPChallengeHandler(&genericHTTPHandler{}))
-		if err != nil {
-			log.Info(err)
-		}
-	}()
+	tlsc := tls.Config{
+		Certificates: []tls.Certificate{cer},
+		MinVersion:   tls.VersionTLS12,
+	}
 
-	listener, err := tls.Listen("tcp", "localhost:1965", magic.TLSConfig())
+	listener, err := tls.Listen("tcp", "localhost:1965", &tlsc)
 	if err != nil {
 		log.Info(err)
 		return