implement cache.advertise_url

internal/pkg/config/config.go

@@ -38,6 +38,7 @@ type Cache struct {
 	Enabled        *bool  `yaml:"enabled"`         // Enabled indicates whether caching is enabled. It is a pointer to distinguish between false and not set. If not set, it will be true.
 	Dir            string `yaml:"dir"`             // Dir specifies the directory path for caching.
 	Host           string `yaml:"host"`            // Host specifies the caching host.
+	AdvertiseUrl   string `yaml:"advertise_url"`   // Host specifies the caching host.
 	Port           uint16 `yaml:"port"`            // Port specifies the caching port.
 	ExternalServer string `yaml:"external_server"` // ExternalServer specifies the URL of external cache server
 }