note-manager/config/config.go

package config

import "os"

// Config 应用配置
type Config struct {
	Port      string // 服务端口
	DBPath    string // SQLite 数据库文件路径
	PageSize  int    // 默认分页大小
	AdminPass string // 后台管理密码
	UploadDir string // 图片上传目录
}

// Load 加载配置，支持环境变量覆盖
func Load() *Config {
	uploadDir := getEnv("UPLOAD_DIR", "uploads")
	cfg := &Config{
		Port:      getEnv("PORT", "8080"),
		DBPath:    getEnv("DB_PATH", "data/notes.db"),
		PageSize:  20,
		AdminPass: getEnv("ADMIN_PASS", "admin123"),
		UploadDir: uploadDir,
	}
	return cfg
}

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