Refactor to use libcompose

docker/util.go

@@ -0,0 +1,11 @@
+package docker
+
+import (
+	"github.com/docker/libcompose/project"
+	"github.com/rancherio/os/config"
+)
+
+func IsSystemContainer(serviceConfig *project.ServiceConfig) bool {
+	return serviceConfig.Labels.MapParts()[config.SCOPE] == config.SYSTEM
+
+}