new helper method

config/helper.go

@@ -27,13 +27,22 @@ func getEnvSeconds(key string, fallback int) time.Duration {
 	return time.Duration(fallback) * time.Second
 }
 
+func getEnvInt(key string, fallback int) int {
+	if value, ok := os.LookupEnv(key); ok {
+		num, err := strconv.Atoi(value)
+		if err != nil {
+			return fallback
+		}
+		return num
+	}
+	return fallback
+}
+
 func getEnvUint(key string, fallback uint) uint {
-	var def uint = 100
 	if value, ok := os.LookupEnv(key); ok {
 		num, err := strconv.ParseUint(value, 10, 64)
 		if err != nil {
-			log.Printf("Error converting %v to uint, using default value - %v", key, def)
-			return def
+			return fallback
 		}
 		return uint(num)
 	}