to options mode

providers/config/config.go

@@ -0,0 +1,32 @@
+package config
+
+import (
+	"github.com/rogeecn/atom/container"
+	"github.com/spf13/viper"
+)
+
+func AutoLoad() *viper.Viper {
+	v, err := Load("config.toml")
+	if err != nil {
+		return nil
+	}
+	return v
+}
+
+func Load(file string) (*viper.Viper, error) {
+	v := viper.NewWithOptions(viper.KeyDelimiter("_"))
+	v.AutomaticEnv()
+	v.SetConfigFile(file)
+	if err := v.ReadInConfig(); err != nil {
+		return nil, err
+	}
+
+	err := container.Container.Provide(func() (*viper.Viper, error) {
+		return v, nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return v, nil
+}