feat: update template

internal/config/config.go

@@ -11,9 +11,11 @@ import (
 	"github.com/knadh/koanf/providers/file"
 )
 
+type Environment string
+
 const (
-	Development = "development"
-	Production  = "production"
+	Development Environment = "development"
+	Production  Environment = "production"
 )
 
 var K = koanf.New(".")
@@ -21,6 +23,8 @@ var K = koanf.New(".")
 type Server struct {
 	Port string `koanf:"port"`
 	Host string `koanf:"host"`
+	// TrustProxy 是否在受信反代后；true 时才信任代理头获取客户端 IP
+	TrustProxy bool `koanf:"trust_proxy"`
 }
 
 type Database struct {
@@ -61,24 +65,28 @@ type LogConfig struct {
 	Console    bool   `koanf:"console"`
 }
 
+type FileConfig struct {
+	BaseURL       string `koanf:"base_url"`
+	UploadDir     string `koanf:"upload_dir"`
+	MaxUploadSize int64  `koanf:"max_upload_size"` // 上传大小上限（字节），0 表示默认 10MB
+}
+
 type Config struct {
-	Server    Server    `koanf:"server"`
-	Database  Database  `koanf:"database"`
-	Redis     Redis     `koanf:"redis"`
-	JWTConfig JWTConfig `koanf:"jwt"`
-	Log       LogConfig `koanf:"log"`
+	Server    Server     `koanf:"server"`
+	Database  Database   `koanf:"database"`
+	Redis     Redis      `koanf:"redis"`
+	JWTConfig JWTConfig  `koanf:"jwt"`
+	Log       LogConfig  `koanf:"log"`
+	File      FileConfig `koanf:"file"`
 }
 
 // GetEnv 获取环境变量，确保环境变量始终有效
-func GetEnv() string {
+func GetEnv() Environment {
 	env := os.Getenv("APP_ENV")
-	if env == "" {
-		env = Development
-	}
 
-	switch env {
+	switch Environment(env) {
 	case Development, Production:
-		return env
+		return Environment(env)
 	default:
 		return Development
 	}
@@ -113,3 +121,7 @@ func GetString(key string) string {
 func GetInt(key string) int {
 	return K.Int(key)
 }
+
+func GetBool(key string) bool {
+	return K.Bool(key)
+}