fix acmedns challenge

cmd/root.go

@@ -39,6 +39,8 @@ func NewCmdRoot(changelog string) *cobra.Command {
 			return "domain", v
 		case "SMALLWEB_REMOTE":
 			return "remote", v
+		case "SMALLWEB_EMAIL":
+			return "email", v
 		case "SMALLWEB_CUSTOM_DOMAINS":
 			customDomains := make(map[string]string)
 			for _, entry := range strings.Split(v, ";") {

cmd/up.go

@@ -148,7 +148,10 @@ func NewCmdUp() *cobra.Command {
 				}
 
 				fmt.Fprintf(os.Stderr, "Serving *.%s from %s...\n", k.String("domain"), utils.AddTilde(k.String("dir")))
-				go certmagic.HTTPS(nil, handler)
+				go certmagic.HTTPS([]string{
+					k.String("domain"),
+					fmt.Sprintf("*.%s", k.String("domain")),
+				}, handler)
 			} else {
 				if email := k.String("email"); email != "" {
 					certmagic.DefaultACME.Email = email

go.mod

@@ -31,6 +31,7 @@ require (
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/knadh/koanf/providers/confmap v0.1.0
 	github.com/knadh/koanf/providers/posflag v0.1.0
+	github.com/libdns/acmedns v0.2.0
 	github.com/mhale/smtpd v0.8.3
 	github.com/pkg/sftp v1.13.7
 	github.com/robfig/cron/v3 v3.0.1
@@ -126,7 +127,6 @@ require (
 	github.com/kr/fs v0.1.0 // indirect
 	github.com/kylelemons/godebug v1.1.0 // indirect
 	github.com/lib/pq v1.10.9 // indirect
-	github.com/libdns/acmedns v0.2.0 // indirect
 	github.com/libdns/libdns v0.2.2 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect