fix: fix config path name and default

README.md

@@ -26,7 +26,7 @@ You can deploy and use NATS Blackbox Exporter using Docker images or by building
 ### 1. Using Docker Image 📫
 You can use pre-built Docker images from GitHub Container Registry (GHCR):
 ```bash
-docker run -d -p 8080:8080 --name nats-blackbox-exporter -v ./setting/config.yaml:/app/setting/config.yaml:ro ghcr.io/snapp-incubator/nats-blackbox-exporter:<release-tag> -settings ./setting/config.yaml
+docker run -d -p 8080:8080 --name nats-blackbox-exporter -v ./setting/config.yaml:/app/setting/config.yaml:ro ghcr.io/snapp-incubator/nats-blackbox-exporter:<release-tag> --configPath ./setting/config.yaml
 ```
 and then pass environment variables as needed.
 
@@ -51,12 +51,12 @@ You can check the list of parameters with default values in the [config.example.
 
 2. **Configuration File:**
 
-   Use a `config.yaml` file to specify configuration parameters. You can specify the path to the config file using the `-settings` flag.
+   Use a `config.yaml` file to specify configuration parameters. You can specify the path to the config file using the `--configPath` flag.
 
    Example usage:
 
    ```bash
-   ./nats-blackbox-exporter -settings /path/to/config.yaml
+   ./nats-blackbox-exporter --configPath /path/to/config.yaml
    ```
 
    Replace `/path/to/config.yaml` with the actual path to your configuration file.

internal/cmd/root.go

@@ -13,13 +13,13 @@ import (
 // ExitFailure status code.
 const ExitFailure = 1
 
-var settingsPath string
+var configPath string
 
 func Execute() {
-	pflag.StringVar(&settingsPath, "settings", "/opt/nats-blackbox-exporter/settings.yml", "Path to settings file")
+	pflag.StringVar(&configPath, "configPath", "./config.yaml", "Path to config file")
 	pflag.Parse()
 
-	cfg := config.New(settingsPath)
+	cfg := config.New(configPath)
 
 	logger := logger.New(cfg.Logger)
 

internal/config/config.go

@@ -31,7 +31,7 @@ type (
 )
 
 // New reads configuration with koanf.
-func New(settingsPath string) Config {
+func New(configPath string) Config {
 	var instance Config
 
 	k := koanf.New(".")
@@ -42,8 +42,8 @@ func New(settingsPath string) Config {
 	}
 
 	// load configuration from file
-	if err := k.Load(file.Provider(settingsPath), yaml.Parser()); err != nil {
-		log.Printf("error loading config.yaml from: %s", settingsPath)
+	if err := k.Load(file.Provider(configPath), yaml.Parser()); err != nil {
+		log.Printf("error loading config.yaml from: %s", configPath)
 	}
 
 	// load environment variables