accept non string values in secret map

main.go

@@ -117,7 +117,7 @@ func (s *server) serveConnection(conn *net.UnixConn) {
 	}
 	val, ok := secretMap[*secret]
 	if ok {
-		if _, err = io.WriteString(conn, val); err != nil {
+		if _, err = io.WriteString(conn, fmt.Sprint(val)); err != nil {
 			log.Printf("Failed to send secret: %v", err)
 		}
 	} else {

secrets.go

@@ -6,12 +6,12 @@ import (
 	"os"
 )
 
-func parseServiceSecrets(path string) (map[string]string, error) {
+func parseServiceSecrets(path string) (map[string]interface{}, error) {
 	content, err := os.ReadFile(path)
 	if err != nil {
 		return nil, fmt.Errorf("Cannot read json file '%s': %w", path, err)
 	}
-	var data map[string]string
+	var data map[string]interface{}
 	err = json.Unmarshal(content, &data)
 	if err != nil {
 		return nil, fmt.Errorf("Cannot parse '%s' as json file: %w", path, err)

watcher.go

@@ -134,7 +134,7 @@ func (s *server) watch(inotifyFd int) {
 						log.Printf("Secret map % has no value for key %s", fname, conn.key)
 						continue
 					}
-					_, err = io.WriteString(conn.connection, val)
+					_, err = io.WriteString(conn.connection, fmt.Sprint(val))
 					if err == nil {
 						log.Printf("Served %s to %s", fname, conn.connection.RemoteAddr().String())
 					} else {