router := gin.New()
router.Use(StatusMetrics())  // now we will collect metric for number of reples for a status 
if logFile != nil {
  router.Use(gin.LoggerWithWriter(logFile))
  router.Use(gin.RecoveryWithWriter(logFile))
} else {
  router.Use(gin.Logger())
  router.Use(gin.Recovery())
}
router.Use(Metrics()) // now we will publish metrics for each API call