refactor: use different path inside container

internal/core/config.go

@@ -0,0 +1,33 @@
+package core
+
+import (
+	"github.com/go-playground/validator/v10"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/viper"
+)
+
+type Config struct {
+	VolumeRootHost string `mapstructure:"volume_root" validate:"required"`
+}
+
+func LoadConfig() Config {
+	var config Config
+	viper.AutomaticEnv()
+
+	viper.BindEnv("volume_root", "VOLUME_ROOT")
+
+	if err := viper.Unmarshal(&config); err != nil {
+		log.Error().Err(err).Msg("Failed to load configuration")
+		panic("Failed to load configuration: " + err.Error())
+	}
+
+	validator := validator.New()
+	if err := validator.Struct(config); err != nil {
+		log.Error().Err(err).Msg("Configuration validation failed")
+		panic("Configuration validation failed: " + err.Error())
+	}
+
+	log.Info().Msgf("Loaded configuration: %+v", config)
+
+	return config
+}