Add version number to ntfy serve output

server/config.go

@@ -94,6 +94,7 @@ type Config struct {
 	VisitorEmailLimitReplenish           time.Duration
 	BehindProxy                          bool
 	EnableWeb                            bool
+	Version                              string // injected by App
 }
 
 // NewConfig instantiates a default new server config
@@ -135,5 +136,6 @@ func NewConfig() *Config {
 		VisitorEmailLimitReplenish:           DefaultVisitorEmailLimitReplenish,
 		BehindProxy:                          false,
 		EnableWeb:                            true,
+		Version:                              "",
 	}
 }

server/server.go

@@ -180,7 +180,7 @@ func (s *Server) Run() error {
 	if s.config.SMTPServerListen != "" {
 		listenStr += fmt.Sprintf(" %s[smtp]", s.config.SMTPServerListen)
 	}
-	log.Info("Listening on%s, log level is %s", listenStr, log.CurrentLevel().String())
+	log.Info("Listening on%s, ntfy %s, log level is %s", listenStr, s.config.Version, log.CurrentLevel().String())
 	mux := http.NewServeMux()
 	mux.HandleFunc("/", s.handle)
 	errChan := make(chan error)