Fixing Docker build

Change-Id: Iff49da59ab90cabf2e72bb713a439264eb5578c9
diff --git a/vendor/.gitignore b/vendor/.gitignore
new file mode 100644
index 0000000..c96a04f
--- /dev/null
+++ b/vendor/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore
\ No newline at end of file