initial commit

config/config.go

@@ -0,0 +1,20 @@
+package config
+
+import (
+	"fmt"
+	"github.com/spf13/viper"
+)
+
+func ReadConfig() error {
+	configPath := viper.GetString("config")
+	if configPath == "" {
+		return fmt.Errorf("config file path is empty")
+	}
+	viper.SetConfigFile(configPath)
+	viper.SetConfigType("yaml")
+
+	if err := viper.ReadInConfig(); err != nil {
+		return fmt.Errorf("reading config file %s: %w", configPath, err)
+	}
+	return nil
+}

config/env.go

@@ -0,0 +1,8 @@
+package config
+
+import "github.com/spf13/viper"
+
+func CollectEnv() {
+	viper.SetEnvPrefix("NETBOUNCE_")
+	_ = viper.BindEnv("config", "CONFIG")
+}