🔧 config: Default config field for docker hub auth

src/config.toml

@@ -52,6 +52,11 @@ proxy = ""
 # 批量下载离线镜像数量限制
 maxImages = 10
 
+# Docker Hub 认证信息，留空则匿名拉取
+[dockerHubAuth]
+username = "" # e.g., user1
+token = "" # e.g., dckr_pat_***
+
 # Registry映射配置，支持多种镜像仓库上游
 [registries]
 

src/config/config.go

@@ -48,6 +48,11 @@ type AppConfig struct {
 		MaxImages int `toml:"maxImages"`
 	} `toml:"download"`
 
+	DockerHubAuth struct {
+		Username string `toml:"username"`
+		Token    string `toml:"token"`
+	} `toml:"dockerHubAuth"`
+
 	Registries map[string]RegistryMapping `toml:"registries"`
 
 	TokenCache struct {
@@ -108,6 +113,13 @@ func DefaultConfig() *AppConfig {
 		}{
 			MaxImages: 10,
 		},
+		DockerHubAuth: struct {
+			Username string `toml:"username"`
+			Token    string `toml:"token"`
+		}{
+			Username: "",
+			Token:    "",
+		},
 		Registries: map[string]RegistryMapping{
 			"ghcr.io": {
 				Upstream: "ghcr.io",

src/handlers/docker.go

@@ -68,10 +68,18 @@ func InitDockerProxy() {
 	}
 
 	options := []remote.Option{
-		remote.WithAuth(authn.Anonymous),
 		remote.WithUserAgent("hubproxy/go-containerregistry"),
 		remote.WithTransport(utils.GetGlobalHTTPClient().Transport),
 	}
+	dockerHubAuth := config.GetConfig().DockerHubAuth
+	if dockerHubAuth.Token != "" && dockerHubAuth.Username != "" {
+		options = append(options, remote.WithAuth(&authn.Basic{
+			Username: dockerHubAuth.Username,
+			Password: dockerHubAuth.Token,
+		}))
+	} else {
+		options = append(options, remote.WithAuth(authn.Anonymous))
+	}
 
 	dockerProxy = &DockerProxy{
 		registry: registry,