iloom/purchaser-service/internal/config/config.go

package config

import "os"

type Config struct {
	Port               string
	DBDSN              string
	InternalServiceKey string
	InventoryRPCAddr   string
}

func Load() *Config {
	return &Config{
		Port:               getEnv("PORT", "8082"),
		DBDSN:              getEnv("DB_DSN", ""),
		InternalServiceKey: getEnv("INTERNAL_SERVICE_KEY", "dev-internal-key"),
		InventoryRPCAddr:   getEnv("MUYU_INVENTORY_RPC_ADDR", "127.0.0.1:9002"),
	}
}

func getEnv(key, fallback string) string {
	if v := os.Getenv(key); v != "" {
		return v
	}
	return fallback
}