design

var ImageMedia = MediaType("application/vnd.goa.examples.upload.image", func() {
	Description("Image metadata")
	TypeName("ImageMedia")
	Attributes(func() {
		Attribute("id", Integer, "Image ID")
		Attribute("filename", String, "Image filename")
		Attribute("uploaded_at", DateTime, "Upload timestamp")
		Required("id", "filename", "uploaded_at")
	})
	View("default", func() {
		Attribute("id")
		Attribute("filename")
		Attribute("uploaded_at")
	})
})