@@ -102,13 +102,17 @@ func (container *Container) FromDisk() error {

 		return err

 	}

-	data, err := ioutil.ReadFile(pth)

+	jsonSource, err := os.Open(pth)

 	if err != nil {

 		return err

 	}

+	defer jsonSource.Close()

+

+	dec := json.NewDecoder(jsonSource)

+

 	// Load container settings

 	// udp broke compat of docker.PortMapping, but it's not used when loading a container, we can skip it

-	if err := json.Unmarshal(data, container); err != nil && !strings.Contains(err.Error(), "docker.PortMapping") {

+	if err := dec.Decode(container); err != nil && !strings.Contains(err.Error(), "docker.PortMapping") {

 		return err

 	}