content type set at the response

routers/routes/v1/user/useravatar.go

@@ -35,6 +35,8 @@ func GetAvatar(c *fiber.Ctx) error {
 		return c.SendStatus(fiber.StatusBadRequest)
 	}
 
+	c.Context().SetContentType("image/webp")
+
 	return c.Send(img)
 }