feat: support delayed start (#4532)

cmd/server.go

@@ -28,6 +28,10 @@ var ServerCmd = &cobra.Command{
 the address is defined in config file`,
 	Run: func(cmd *cobra.Command, args []string) {
 		Init()
+		if conf.Conf.DelayedStart != 0 {
+			utils.Log.Infof("delayed start for %d seconds", conf.Conf.DelayedStart)
+			time.Sleep(time.Duration(conf.Conf.DelayedStart) * time.Second)
+		}
 		bootstrap.InitAria2()
 		bootstrap.InitQbittorrent()
 		bootstrap.LoadStorages()

internal/conf/config.go

@@ -47,6 +47,7 @@ type Config struct {
 	TempDir               string    `json:"temp_dir" env:"TEMP_DIR"`
 	BleveDir              string    `json:"bleve_dir" env:"BLEVE_DIR"`
 	Log                   LogConfig `json:"log"`
+	DelayedStart          int       `json:"delayed_start" env:"DELAYED_START"`
 	MaxConnections        int       `json:"max_connections" env:"MAX_CONNECTIONS"`
 	TlsInsecureSkipVerify bool      `json:"tls_insecure_skip_verify" env:"TLS_INSECURE_SKIP_VERIFY"`
 }