config 로딩을 gocommon사용하도록 변경

client/client.go

@@ -2,7 +2,6 @@ package client
 
 import (
 	"context"
-	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
@@ -49,30 +48,21 @@ type clientConfig struct {
 
 var autorun = flagx.String("autorun", "", "")
 
+type outerconfig struct {
+	Houston *struct {
+		Client clientConfig `json:"client"`
+	} `json:"houston"`
+}
+
 func loadClientConfig() (clientConfig, error) {
-	configFile, err := os.Open("config.json")
-	if err != nil {
-		return clientConfig{}, err
-	}
-	defer configFile.Close()
-
-	var config struct {
-		Houston *struct {
-			Client clientConfig `json:"client"`
-		} `json:"houston"`
-	}
-
-	dec := json.NewDecoder(configFile)
-	err = dec.Decode(&config)
+	var oc outerconfig
+	err := gocommon.LoadConfig[outerconfig](&oc)
 	if err != nil {
+		logger.Println(err)
 		return clientConfig{}, err
 	}
 
-	if config.Houston == nil {
-		return clientConfig{}, errors.New(`"houston" object is missing in config.json`)
-	}
-
-	return config.Houston.Client, nil
+	return oc.Houston.Client, nil
 }
 
 type HoustonClient interface {