modify config

providers/config/config.go

@@ -5,14 +5,22 @@ import (
 	"github.com/spf13/viper"
 )
 
-func Load(file string) (*viper.Viper, error) {
+func Load(file, app string) (*viper.Viper, error) {
 	v := viper.NewWithOptions(viper.KeyDelimiter("_"))
 	v.AutomaticEnv()
-	v.SetConfigFile(file)
+
+	if file == "" {
+		v.SetConfigType("toml")
+		v.SetConfigName(app)
+		v.AddConfigPath("/etc")
+		v.AddConfigPath("/usr/local/etc")
+	} else {
+		v.SetConfigFile(file)
+	}
+
 	if err := v.ReadInConfig(); err != nil {
 		return nil, err
 	}
-
 	err := container.Container.Provide(func() (*viper.Viper, error) {
 		return v, nil
 	})