app registration check

config/helper.go

@@ -39,3 +39,15 @@ func getEnvUint(key string, fallback uint) uint {
 	}
 	return fallback
 }
+
+func getEnvInt(key string, fallback int) int {
+	if value, ok := os.LookupEnv(key); ok {
+		num, err := strconv.Atoi(value)
+		if err != nil {
+			log.Printf("Error converting %v to int, using fallback value - %v", key, fallback)
+			return fallback
+		}
+		return num
+	}
+	return fallback
+}